/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * Copyright 2012, Joyent, Inc. All rights reserved. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * University Copyright- Copyright (c) 1982, 1986, 1988 * The Regents of the University of California * All Rights Reserved * * University Acknowledgment- Portions of this document are derived from * software developed by the University of California, Berkeley, and its * contributors. */ /* * ps -- print things about processes. */ #define _SYSCALL32 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define NTTYS 2 /* max ttys that can be specified with the -t option */ /* only one tty can be specified with SunOS ps */ #define SIZ 30 /* max processes that can be specified with -p and -g */ #define ARGSIZ 30 /* size of buffer holding args for -t, -p, -u options */ #define FSTYPE_MAX 8 struct psent { psinfo_t *psinfo; char *psargs; int found; }; static int tplen, maxlen, twidth; static char hdr[81]; static struct winsize win; static int retcode = 1; static int lflg; /* long format */ static int uflg; /* user-oriented output */ static int aflg; /* Display all processes */ static int eflg; /* Display environment as well as arguments */ static int gflg; /* Display process group leaders */ static int tflg; /* Processes running on specific terminals */ static int rflg; /* Running processes only flag */ static int Sflg; /* Accumulated time plus all reaped children */ static int xflg; /* Include processes with no controlling tty */ static int cflg; /* Display command name */ static int vflg; /* Virtual memory-oriented output */ static int nflg; /* Numerical output */ static int pflg; /* Specific process id passed as argument */ static int Uflg; /* Update private database, ups_data */ static int errflg; static char *gettty(); static char argbuf[ARGSIZ]; static char *parg; static char *p1; /* points to successive option arguments */ static uid_t my_uid; static char stdbuf[BUFSIZ]; static int ndev; /* number of devices */ static int maxdev; /* number of devl structures allocated */ #define DNINCR 100 #define DNSIZE 14 static struct devl { /* device list */ char dname[DNSIZE]; /* device name */ dev_t ddev; /* device number */ } *devl; static struct tty { char *tname; dev_t tdev; } tty[NTTYS]; /* for t option */ static int ntty = 0; static pid_t pidsave; static int pidwidth; static char *procdir = "/proc"; /* standard /proc directory */ static void usage(); /* print usage message and quit */ static void getarg(void); static void prtime(timestruc_t st); static void przom(psinfo_t *psinfo); static int num(char *); static int preadargs(int, psinfo_t *, char *); static int preadenvs(int, psinfo_t *, char *); static int prcom(int, psinfo_t *, char *); static int namencnt(char *, int, int); static int pscompare(const void *, const void *); static char *err_string(int); extern int scrwidth(wchar_t); /* header file? */ int ucbmain(int argc, char **argv) { psinfo_t info; /* process information structure from /proc */ char *psargs = NULL; /* pointer to buffer for -w and -ww options */ char *svpsargs = NULL; struct psent *psent; int entsize; int nent; pid_t maxpid; struct tty *ttyp = tty; char *tmp; char *p; int c; pid_t pid; /* pid: process id */ pid_t ppid; /* ppid: parent process id */ int i, found; size_t size; DIR *dirp; struct dirent *dentp; char psname[100]; char asname[100]; int pdlen; size_t len; (void) setlocale(LC_ALL, ""); my_uid = getuid(); /* * This program needs the proc_owner privilege */ (void) __init_suid_priv(PU_CLEARLIMITSET, PRIV_PROC_OWNER, (char *)NULL); /* * calculate width of pid fields based on configured MAXPID * (must be at least 5 to retain output format compatibility) */ maxpid = (pid_t)sysconf(_SC_MAXPID); pidwidth = 1; while ((maxpid /= 10) > 0) ++pidwidth; pidwidth = pidwidth < 5 ? 5 : pidwidth; if (ioctl(1, TIOCGWINSZ, &win) == -1) twidth = 80; else twidth = (win.ws_col == 0 ? 80 : win.ws_col); /* add the '-' for BSD compatibility */ if (argc > 1) { if (argv[1][0] != '-' && !isdigit(argv[1][0])) { len = strlen(argv[1]) + 2; tmp = malloc(len); if (tmp != NULL) { (void) snprintf(tmp, len, "%s%s", "-", argv[1]); argv[1] = tmp; } } } setbuf(stdout, stdbuf); while ((c = getopt(argc, argv, "lcaengrSt:xuvwU")) != EOF) switch (c) { case 'g': gflg++; /* include process group leaders */ break; case 'c': /* display internal command name */ cflg++; break; case 'r': /* restrict output to running processes */ rflg++; break; case 'S': /* display time by process and all reaped children */ Sflg++; break; case 'x': /* process w/o controlling tty */ xflg++; break; case 'l': /* long listing */ lflg++; uflg = vflg = 0; break; case 'u': /* user-oriented output */ uflg++; lflg = vflg = 0; break; case 'U': /* update private database ups_data */ Uflg++; break; case 'w': /* increase display width */ if (twidth < 132) twidth = 132; else /* second w option */ twidth = NCARGS; break; case 'v': /* display virtual memory format */ vflg++; lflg = uflg = 0; break; case 'a': /* * display all processes except process group * leaders and processes w/o controlling tty */ aflg++; gflg++; break; case 'e': /* Display environment along with aguments. */ eflg++; break; case 'n': /* Display numerical output */ nflg++; break; case 't': /* restrict output to named terminal */ #define TSZ 30 tflg++; gflg++; xflg = 0; p1 = optarg; do { /* only loop through once (NTTYS = 2) */ parg = argbuf; if (ntty >= NTTYS-1) break; getarg(); if ((p = malloc(TSZ+1)) == NULL) { (void) fprintf(stderr, "ps: no memory\n"); exit(1); } p[0] = '\0'; size = TSZ; if (isdigit(*parg)) { (void) strcpy(p, "tty"); size -= 3; } (void) strncat(p, parg, size); ttyp->tdev = PRNODEV; if (parg && *parg == '?') xflg++; else { char nambuf[TSZ+6]; /* for /dev/+\0 */ struct stat64 s; (void) strcpy(nambuf, "/dev/"); (void) strcat(nambuf, p); if (stat64(nambuf, &s) == 0) ttyp->tdev = s.st_rdev; } ttyp++->tname = p; ntty++; } while (*p1); break; default: /* error on ? */ errflg++; break; } if (errflg) usage(); if (optind + 1 < argc) { /* more than one additional argument */ (void) fprintf(stderr, "ps: too many arguments\n"); usage(); } /* * The -U option is obsolete. Attempts to use it cause ps to exit * without printing anything. */ if (Uflg) exit(0); if (optind < argc) { /* user specified a specific proc id */ pflg++; p1 = argv[optind]; parg = argbuf; getarg(); if (!num(parg)) { (void) fprintf(stderr, "ps: %s is an invalid non-numeric argument for a process id\n", parg); usage(); } pidsave = (pid_t)atol(parg); aflg = rflg = xflg = 0; gflg++; } if (tflg) ttyp->tname = NULL; /* allocate an initial guess for the number of processes */ entsize = 1024; psent = malloc(entsize * sizeof (struct psent)); if (psent == NULL) { (void) fprintf(stderr, "ps: no memory\n"); exit(1); } nent = 0; /* no active entries yet */ if (lflg) { (void) sprintf(hdr, " F UID%*s%*s %%C PRI NI SZ RSS " "WCHAN S TT TIME COMMAND", pidwidth + 1, "PID", pidwidth + 1, "PPID"); } else if (uflg) { if (nflg) (void) sprintf(hdr, " UID%*s %%CPU %%MEM SZ RSS " "TT S START TIME COMMAND", pidwidth + 1, "PID"); else (void) sprintf(hdr, "USER %*s %%CPU %%MEM SZ RSS " "TT S START TIME COMMAND", pidwidth + 1, "PID"); } else if (vflg) { (void) sprintf(hdr, "%*s TT S TIME SIZE RSS %%CPU %%MEM " "COMMAND", pidwidth + 1, "PID"); } else (void) sprintf(hdr, "%*s TT S TIME COMMAND", pidwidth + 1, "PID"); twidth = twidth - strlen(hdr) + 6; (void) printf("%s\n", hdr); if (twidth > PRARGSZ && (psargs = malloc(twidth)) == NULL) { (void) fprintf(stderr, "ps: no memory\n"); exit(1); } svpsargs = psargs; /* * Determine which processes to print info about by searching * the /proc directory and looking at each process. */ if ((dirp = opendir(procdir)) == NULL) { (void) fprintf(stderr, "ps: cannot open PROC directory %s\n", procdir); exit(1); } (void) strcpy(psname, procdir); pdlen = strlen(psname); psname[pdlen++] = '/'; /* for each active process --- */ while (dentp = readdir(dirp)) { int psfd; /* file descriptor for /proc/nnnnn/psinfo */ int asfd; /* file descriptor for /proc/nnnnn/as */ if (dentp->d_name[0] == '.') /* skip . and .. */ continue; (void) strcpy(psname + pdlen, dentp->d_name); (void) strcpy(asname, psname); (void) strcat(psname, "/psinfo"); (void) strcat(asname, "/as"); retry: if ((psfd = open(psname, O_RDONLY)) == -1) continue; asfd = -1; if (psargs != NULL || eflg) { /* now we need the proc_owner privilege */ (void) __priv_bracket(PRIV_ON); asfd = open(asname, O_RDONLY); /* drop proc_owner privilege after open */ (void) __priv_bracket(PRIV_OFF); } /* * Get the info structure for the process */ if (read(psfd, &info, sizeof (info)) != sizeof (info)) { int saverr = errno; (void) close(psfd); if (asfd > 0) (void) close(asfd); if (saverr == EAGAIN) goto retry; if (saverr != ENOENT) (void) fprintf(stderr, "ps: read() on %s: %s\n", psname, err_string(saverr)); continue; } (void) close(psfd); found = 0; if (info.pr_lwp.pr_state == 0) /* can't happen? */ goto closeit; pid = info.pr_pid; ppid = info.pr_ppid; /* Display only process from command line */ if (pflg) { /* pid in arg list */ if (pidsave == pid) found++; else goto closeit; } /* * Omit "uninteresting" processes unless 'g' option. */ if ((ppid == 1) && !(gflg)) goto closeit; /* * Omit non-running processes for 'r' option */ if (rflg && !(info.pr_lwp.pr_sname == 'O' || info.pr_lwp.pr_sname == 'R')) goto closeit; if (!found && !tflg && !aflg && info.pr_euid != my_uid) goto closeit; /* * Read the args for the -w and -ww cases */ if (asfd > 0) { if ((psargs != NULL && preadargs(asfd, &info, psargs) == -1) || (eflg && preadenvs(asfd, &info, psargs) == -1)) { int saverr = errno; (void) close(asfd); if (saverr == EAGAIN) goto retry; if (saverr != ENOENT) (void) fprintf(stderr, "ps: read() on %s: %s\n", asname, err_string(saverr)); continue; } } else { psargs = info.pr_psargs; } if (nent >= entsize) { entsize *= 2; psent = (struct psent *)realloc((char *)psent, entsize * sizeof (struct psent)); if (psent == NULL) { (void) fprintf(stderr, "ps: no memory\n"); exit(1); } } if ((psent[nent].psinfo = malloc(sizeof (psinfo_t))) == NULL) { (void) fprintf(stderr, "ps: no memory\n"); exit(1); } *psent[nent].psinfo = info; if (psargs == NULL) psent[nent].psargs = NULL; else { if ((psent[nent].psargs = malloc(strlen(psargs)+1)) == NULL) { (void) fprintf(stderr, "ps: no memory\n"); exit(1); } (void) strcpy(psent[nent].psargs, psargs); } psent[nent].found = found; nent++; closeit: if (asfd > 0) (void) close(asfd); psargs = svpsargs; } /* revert to non-privileged user */ (void) __priv_relinquish(); (void) closedir(dirp); qsort((char *)psent, nent, sizeof (psent[0]), pscompare); for (i = 0; i < nent; i++) { struct psent *pp = &psent[i]; if (prcom(pp->found, pp->psinfo, pp->psargs)) { (void) printf("\n"); retcode = 0; } } return (retcode); } static void usage() /* print usage message and quit */ { static char usage1[] = "ps [ -aceglnrSuUvwx ] [ -t term ] [ num ]"; (void) fprintf(stderr, "usage: %s\n", usage1); exit(1); } /* * Read the process arguments from the process. * This allows >PRARGSZ characters of arguments to be displayed but, * unlike pr_psargs[], the process may have changed them. */ #define NARG 100 static int preadargs(int pfd, psinfo_t *psinfo, char *psargs) { off_t argvoff = (off_t)psinfo->pr_argv; size_t len; char *psa = psargs; int bsize = twidth; int narg = NARG; off_t argv[NARG]; off_t argoff; off_t nextargoff; int i; #ifdef _LP64 caddr32_t argv32[NARG]; int is32 = (psinfo->pr_dmodel != PR_MODEL_LP64); #endif if (psinfo->pr_nlwp == 0 || strcmp(psinfo->pr_lwp.pr_clname, "SYS") == 0) goto out; (void) memset(psa, 0, bsize--); nextargoff = 0; errno = EIO; while (bsize > 0) { if (narg == NARG) { (void) memset(argv, 0, sizeof (argv)); #ifdef _LP64 if (is32) { if ((i = pread(pfd, argv32, sizeof (argv32), argvoff)) <= 0) { if (i == 0 || errno == EIO) break; return (-1); } for (i = 0; i < NARG; i++) argv[i] = argv32[i]; } else #endif if ((i = pread(pfd, argv, sizeof (argv), argvoff)) <= 0) { if (i == 0 || errno == EIO) break; return (-1); } narg = 0; } if ((argoff = argv[narg++]) == 0) break; if (argoff != nextargoff && (i = pread(pfd, psa, bsize, argoff)) <= 0) { if (i == 0 || errno == EIO) break; return (-1); } len = strlen(psa); psa += len; *psa++ = ' '; bsize -= len + 1; nextargoff = argoff + len + 1; #ifdef _LP64 argvoff += is32? sizeof (caddr32_t) : sizeof (caddr_t); #else argvoff += sizeof (caddr_t); #endif } while (psa > psargs && isspace(*(psa-1))) psa--; out: *psa = '\0'; if (strlen(psinfo->pr_psargs) > strlen(psargs)) (void) strcpy(psargs, psinfo->pr_psargs); return (0); } /* * Read environment variables from the process. * Append them to psargs if there is room. */ static int preadenvs(int pfd, psinfo_t *psinfo, char *psargs) { off_t envpoff = (off_t)psinfo->pr_envp; int len; char *psa; char *psainit; int bsize; int nenv = NARG; off_t envp[NARG]; off_t envoff; off_t nextenvoff; int i; #ifdef _LP64 caddr32_t envp32[NARG]; int is32 = (psinfo->pr_dmodel != PR_MODEL_LP64); #endif psainit = psa = (psargs != NULL)? psargs : psinfo->pr_psargs; len = strlen(psa); psa += len; bsize = twidth - len - 1; if (bsize <= 0 || psinfo->pr_nlwp == 0 || strcmp(psinfo->pr_lwp.pr_clname, "SYS") == 0) return (0); nextenvoff = 0; errno = EIO; while (bsize > 0) { if (nenv == NARG) { (void) memset(envp, 0, sizeof (envp)); #ifdef _LP64 if (is32) { if ((i = pread(pfd, envp32, sizeof (envp32), envpoff)) <= 0) { if (i == 0 || errno == EIO) break; return (-1); } for (i = 0; i < NARG; i++) envp[i] = envp32[i]; } else #endif if ((i = pread(pfd, envp, sizeof (envp), envpoff)) <= 0) { if (i == 0 || errno == EIO) break; return (-1); } nenv = 0; } if ((envoff = envp[nenv++]) == 0) break; if (envoff != nextenvoff && (i = pread(pfd, psa+1, bsize, envoff)) <= 0) { if (i == 0 || errno == EIO) break; return (-1); } *psa++ = ' '; len = strlen(psa); psa += len; bsize -= len + 1; nextenvoff = envoff + len + 1; #ifdef _LP64 envpoff += is32? sizeof (caddr32_t) : sizeof (caddr_t); #else envpoff += sizeof (caddr_t); #endif } while (psa > psainit && isspace(*(psa-1))) psa--; *psa = '\0'; return (0); } /* * getarg() finds the next argument in list and copies arg into argbuf. * p1 first pts to arg passed back from getopt routine. p1 is then * bumped to next character that is not a comma or blank -- p1 NULL * indicates end of list. */ static void getarg() { char *parga; int c; while ((c = *p1) != '\0' && (c == ',' || isspace(c))) p1++; parga = argbuf; while ((c = *p1) != '\0' && c != ',' && !isspace(c)) { if (parga < argbuf + ARGSIZ - 1) *parga++ = c; p1++; } *parga = '\0'; while ((c = *p1) != '\0' && (c == ',' || isspace(c))) p1++; } static char * devlookup(dev_t ddev) { struct devl *dp; int i; for (dp = devl, i = 0; i < ndev; dp++, i++) { if (dp->ddev == ddev) return (dp->dname); } return (NULL); } static char * devadd(char *name, dev_t ddev) { struct devl *dp; int leng, start, i; if (ndev == maxdev) { maxdev += DNINCR; devl = realloc(devl, maxdev * sizeof (struct devl)); if (devl == NULL) { (void) fprintf(stderr, "ps: not enough memory for %d devices\n", maxdev); exit(1); } } dp = &devl[ndev++]; dp->ddev = ddev; if (name == NULL) { (void) strcpy(dp->dname, "??"); return (dp->dname); } leng = strlen(name); /* Strip off /dev/ */ if (leng < DNSIZE + 4) (void) strcpy(dp->dname, &name[5]); else { start = leng - (DNSIZE - 1); for (i = start; i < leng && name[i] != '/'; i++) ; if (i == leng) (void) strlcpy(dp->dname, &name[start], DNSIZE); else (void) strlcpy(dp->dname, &name[i+1], DNSIZE); } return (dp->dname); } /* * gettty returns the user's tty number or ? if none. */ static char * gettty(psinfo_t *psinfo) { extern char *_ttyname_dev(dev_t, char *, size_t); static zoneid_t zid = -1; char devname[TTYNAME_MAX]; char *retval; if (zid == -1) zid = getzoneid(); if (psinfo->pr_ttydev == PRNODEV || psinfo->pr_zoneid != zid) return ("?"); if ((retval = devlookup(psinfo->pr_ttydev)) != NULL) return (retval); retval = _ttyname_dev(psinfo->pr_ttydev, devname, sizeof (devname)); return (devadd(retval, psinfo->pr_ttydev)); } /* * Print percent from 16-bit binary fraction [0 .. 1] * Round up .01 to .1 to indicate some small percentage (the 0x7000 below). */ static void prtpct(ushort_t pct) { uint_t value = pct; /* need 32 bits to compute with */ value = ((value * 1000) + 0x7000) >> 15; /* [0 .. 1000] */ (void) printf("%3u.%u", value / 10, value % 10); } /* * Print info about the process. */ static int prcom(int found, psinfo_t *psinfo, char *psargs) { char *cp; char *tp; char *psa; long tm; int i, wcnt, length; wchar_t wchar; struct tty *ttyp; /* * If process is zombie, call print routine and return. */ if (psinfo->pr_nlwp == 0) { if (tflg && !found) return (0); else { przom(psinfo); return (1); } } /* * Get current terminal. If none ("?") and 'a' is set, don't print * info. If 't' is set, check if term is in list of desired terminals * and print it if it is. */ i = 0; tp = gettty(psinfo); if (*tp == '?' && !found && !xflg) return (0); if (!(*tp == '?' && aflg) && tflg && !found) { int match = 0; char *other = NULL; for (ttyp = tty; ttyp->tname != NULL; ttyp++) { /* * Look for a name match */ if (strcmp(tp, ttyp->tname) == 0) { match = 1; break; } /* * Look for same device under different names. */ if ((other == NULL) && (psinfo->pr_ttydev == ttyp->tdev)) other = ttyp->tname; } if (!match) { if (other == NULL) return (0); tp = other; } } if (lflg) (void) printf("%2x", psinfo->pr_flag & 0377); if (uflg) { if (!nflg) { struct passwd *pwd; if ((pwd = getpwuid(psinfo->pr_euid)) != NULL) /* USER */ (void) printf("%-8.8s", pwd->pw_name); else /* UID */ (void) printf(" %7.7d", (int)psinfo->pr_euid); } else { (void) printf(" %5d", (int)psinfo->pr_euid); /* UID */ } } else if (lflg) (void) printf(" %5d", (int)psinfo->pr_euid); /* UID */ (void) printf("%*d", pidwidth + 1, (int)psinfo->pr_pid); /* PID */ if (lflg) (void) printf("%*d", pidwidth + 1, (int)psinfo->pr_ppid); /* PPID */ if (lflg) (void) printf("%3d", psinfo->pr_lwp.pr_cpu & 0377); /* CP */ if (uflg) { prtpct(psinfo->pr_pctcpu); /* %CPU */ prtpct(psinfo->pr_pctmem); /* %MEM */ } if (lflg) { (void) printf("%4d", psinfo->pr_lwp.pr_pri); /* PRI */ (void) printf("%3d", psinfo->pr_lwp.pr_nice); /* NICE */ } if (lflg || uflg) { if (psinfo->pr_flag & SSYS) /* SZ */ (void) printf(" 0"); else if (psinfo->pr_size) (void) printf(" %4lu", (ulong_t)psinfo->pr_size); else (void) printf(" ?"); if (psinfo->pr_flag & SSYS) /* RSS */ (void) printf(" 0"); else if (psinfo->pr_rssize) (void) printf(" %4lu", (ulong_t)psinfo->pr_rssize); else (void) printf(" ?"); } if (lflg) { /* WCHAN */ if (psinfo->pr_lwp.pr_sname != 'S') { (void) printf(" "); } else if (psinfo->pr_lwp.pr_wchan) { (void) printf(" %+8.8lx", (ulong_t)psinfo->pr_lwp.pr_wchan); } else { (void) printf(" ?"); } } if ((tplen = strlen(tp)) > 9) maxlen = twidth - tplen + 9; else maxlen = twidth; if (!lflg) (void) printf(" %-8.14s", tp); /* TTY */ (void) printf(" %c", psinfo->pr_lwp.pr_sname); /* STATE */ if (lflg) (void) printf(" %-8.14s", tp); /* TTY */ if (uflg) prtime(psinfo->pr_start); /* START */ /* time just for process */ tm = psinfo->pr_time.tv_sec; if (Sflg) { /* calculate time for process and all reaped children */ tm += psinfo->pr_ctime.tv_sec; if (psinfo->pr_time.tv_nsec + psinfo->pr_ctime.tv_nsec >= 1000000000) tm += 1; } (void) printf(" %2ld:%.2ld", tm / 60, tm % 60); /* TIME */ if (vflg) { if (psinfo->pr_flag & SSYS) /* SZ */ (void) printf(" 0"); else if (psinfo->pr_size) (void) printf("%5lu", (ulong_t)psinfo->pr_size); else (void) printf(" ?"); if (psinfo->pr_flag & SSYS) /* SZ */ (void) printf(" 0"); else if (psinfo->pr_rssize) (void) printf("%5lu", (ulong_t)psinfo->pr_rssize); else (void) printf(" ?"); prtpct(psinfo->pr_pctcpu); /* %CPU */ prtpct(psinfo->pr_pctmem); /* %MEM */ } if (cflg) { /* CMD */ wcnt = namencnt(psinfo->pr_fname, 16, maxlen); (void) printf(" %.*s", wcnt, psinfo->pr_fname); return (1); } /* * PRARGSZ == length of cmd arg string. */ if (psargs == NULL) { psa = &psinfo->pr_psargs[0]; i = PRARGSZ; tp = &psinfo->pr_psargs[PRARGSZ]; } else { psa = psargs; i = strlen(psargs); tp = psa + i; } for (cp = psa; cp < tp; /* empty */) { if (*cp == 0) break; length = mbtowc(&wchar, cp, MB_LEN_MAX); if (length < 0 || !iswprint(wchar)) { (void) printf(" [ %.16s ]", psinfo->pr_fname); return (1); } cp += length; } wcnt = namencnt(psa, i, maxlen); #if 0 /* dumps core on really long strings */ (void) printf(" %.*s", wcnt, psa); #else (void) putchar(' '); (void) fwrite(psa, 1, wcnt, stdout); #endif return (1); } /* * Print starting time of process unless process started more than 24 hours * ago, in which case the date is printed. */ static void prtime(timestruc_t st) { char sttim[26]; static time_t tim = 0L; time_t starttime; if (tim == 0L) tim = time((time_t *)0); starttime = st.tv_sec; if (tim - starttime > 24*60*60) { (void) strftime(sttim, sizeof (sttim), "%b %d", localtime(&starttime)); } else { (void) strftime(sttim, sizeof (sttim), "%H:%M:%S", localtime(&starttime)); } (void) printf("%9.9s", sttim); } static void przom(psinfo_t *psinfo) { long tm; if (lflg) (void) printf("%2x", psinfo->pr_flag & 0377); if (uflg) { struct passwd *pwd; if ((pwd = getpwuid(psinfo->pr_euid)) != NULL) (void) printf("%-8.8s", pwd->pw_name); /* USER */ else (void) printf(" %7.7d", (int)psinfo->pr_euid); /* UID */ } else if (lflg) (void) printf(" %5d", (int)psinfo->pr_euid); /* UID */ (void) printf("%*d", pidwidth + 1, (int)psinfo->pr_pid); /* PID */ if (lflg) (void) printf("%*d", pidwidth + 1, (int)psinfo->pr_ppid); /* PPID */ if (lflg) (void) printf(" 0"); /* CP */ if (uflg) { prtpct(0); /* %CPU */ prtpct(0); /* %MEM */ } if (lflg) { (void) printf("%4d", psinfo->pr_lwp.pr_pri); /* PRI */ (void) printf(" "); /* NICE */ } if (lflg || uflg) { (void) printf(" 0"); /* SZ */ (void) printf(" 0"); /* RSS */ } if (lflg) (void) printf(" "); /* WCHAN */ (void) printf(" "); /* TTY */ (void) printf("%c", psinfo->pr_lwp.pr_sname); /* STATE */ if (uflg) (void) printf(" "); /* START */ /* time just for process */ tm = psinfo->pr_time.tv_sec; if (Sflg) { /* calculate time for process and all reaped children */ tm += psinfo->pr_ctime.tv_sec; if (psinfo->pr_time.tv_nsec + psinfo->pr_ctime.tv_nsec >= 1000000000) tm += 1; } (void) printf(" %2ld:%.2ld", tm / 60, tm % 60); /* TIME */ if (vflg) { (void) printf(" 0"); /* SZ */ (void) printf(" 0"); /* RSS */ prtpct(0); /* %CPU */ prtpct(0); /* %MEM */ } (void) printf(" %.*s", maxlen, " "); } /* * Returns true iff string is all numeric. */ static int num(char *s) { int c; if (s == NULL) return (0); c = *s; do { if (!isdigit(c)) return (0); } while ((c = *++s) != '\0'); return (1); } /* * Function to compute the number of printable bytes in a multibyte * command string ("internationalization"). */ static int namencnt(char *cmd, int eucsize, int scrsize) { int eucwcnt = 0, scrwcnt = 0; int neucsz, nscrsz; wchar_t wchar; while (*cmd != '\0') { if ((neucsz = mbtowc(&wchar, cmd, MB_LEN_MAX)) < 0) return (8); /* default to use for illegal chars */ if ((nscrsz = scrwidth(wchar)) == 0) return (8); if (eucwcnt + neucsz > eucsize || scrwcnt + nscrsz > scrsize) break; eucwcnt += neucsz; scrwcnt += nscrsz; cmd += neucsz; } return (eucwcnt); } static int pscompare(const void *v1, const void *v2) { const struct psent *p1 = v1; const struct psent *p2 = v2; int i; if (uflg) i = p2->psinfo->pr_pctcpu - p1->psinfo->pr_pctcpu; else if (vflg) i = p2->psinfo->pr_rssize - p1->psinfo->pr_rssize; else i = p1->psinfo->pr_ttydev - p2->psinfo->pr_ttydev; if (i == 0) i = p1->psinfo->pr_pid - p2->psinfo->pr_pid; return (i); } static char * err_string(int err) { static char buf[32]; char *str = strerror(err); if (str == NULL) (void) sprintf(str = buf, "Errno #%d", err); return (str); }