Lines Matching +full:mm +full:- +full:0
77 } while (0)
91 int ret = -1; in getentropy()
95 return (-1); in getentropy()
105 if (ret != -1) in getentropy()
116 * - Even syslog_r is unsafe to call at this low level, so in getentropy()
118 * - Cannot call abort() because some systems have unsafe in getentropy()
120 * - Could raise(SIGKILL) resulting in silent program termination. in getentropy()
121 * - Return EIO, to hint that arc4random's stir function in getentropy()
123 * - Do the best under the circumstances.... in getentropy()
137 if (ret != -1) in getentropy()
161 fd = open("/dev/urandom", flags, 0); in getentropy_urandom()
162 if (fd == -1) { in getentropy_urandom()
172 if (fstat(fd, &st) == -1 || !S_ISCHR(st.st_mode)) { in getentropy_urandom()
176 for (i = 0; i < len; ) { in getentropy_urandom()
177 size_t wanted = len - i; in getentropy_urandom()
180 if (ret == -1) { in getentropy_urandom()
190 return (0); /* satisfied */ in getentropy_urandom()
193 return (-1); in getentropy_urandom()
208 int save_errno = errno, e, pgs = getpagesize(), faster = 0, repeat; in getentropy_fallback()
234 faster = 0; in getentropy_fallback()
238 for (i = 0; i < len; ) { in getentropy_fallback()
241 for (j = 0; j < repeat; j++) { in getentropy_fallback()
242 HX((e = gettimeofday(&tv, NULL)) == -1, tv); in getentropy_fallback()
243 if (e != -1) { in getentropy_fallback()
252 HX(sysctl(kmib, sizeof(kmib) / sizeof(kmib[0]), in getentropy_fallback()
253 &addr, &ii, NULL, 0) == -1, addr); in getentropy_fallback()
256 HX(sysctl(hwmib, sizeof(hwmib) / sizeof(hwmib[0]), in getentropy_fallback()
257 &idata, &ii, NULL, 0) == -1, idata); in getentropy_fallback()
261 HX(sysctl(tcpmib, sizeof(tcpmib) / sizeof(tcpmib[0]), in getentropy_fallback()
262 &tcpstat, &ii, NULL, 0) == -1, tcpstat); in getentropy_fallback()
265 HX(sysctl(udpmib, sizeof(udpmib) / sizeof(udpmib[0]), in getentropy_fallback()
266 &udpstat, &ii, NULL, 0) == -1, udpstat); in getentropy_fallback()
269 HX(sysctl(ipmib, sizeof(ipmib) / sizeof(ipmib[0]), in getentropy_fallback()
270 &ipstat, &ii, NULL, 0) == -1, ipstat); in getentropy_fallback()
273 HX((pid = getpid()) == -1, pid); in getentropy_fallback()
274 HX((pid = getsid(pid)) == -1, pid); in getentropy_fallback()
275 HX((pid = getppid()) == -1, pid); in getentropy_fallback()
276 HX((pid = getpgid(0)) == -1, pid); in getentropy_fallback()
277 HX((e = getpriority(0, 0)) == -1, e); in getentropy_fallback()
280 ts.tv_sec = 0; in getentropy_fallback()
285 HX(sigpending(&sigset) == -1, sigset); in getentropy_fallback()
286 HX(sigprocmask(SIG_BLOCK, NULL, &sigset) == -1, in getentropy_fallback()
296 if (i == 0) { in getentropy_fallback()
305 * Prime-sized mappings encourage fragmentation; in getentropy_fallback()
308 struct mm { in getentropy_fallback() struct
311 } mm[] = { in getentropy_fallback() local
320 for (m = 0; m < sizeof mm/sizeof(mm[0]); m++) { in getentropy_fallback()
321 HX(mm[m].p = mmap(NULL, in getentropy_fallback()
322 mm[m].npg * pgs, in getentropy_fallback()
324 MAP_PRIVATE|MAP_ANON, -1, in getentropy_fallback()
325 (off_t)0), mm[m].p); in getentropy_fallback()
326 if (mm[m].p != MAP_FAILED) { in getentropy_fallback()
330 p = mm[m].p; in getentropy_fallback()
332 (mm[m].npg * pgs - 1); in getentropy_fallback()
334 cnt += (int)((long)(mm[m].p) in getentropy_fallback()
344 &ru)) == -1, ru); in getentropy_fallback()
345 if (e != -1) { in getentropy_fallback()
351 for (m = 0; m < sizeof mm/sizeof(mm[0]); m++) { in getentropy_fallback()
352 if (mm[m].p != MAP_FAILED) in getentropy_fallback()
353 munmap(mm[m].p, mm[m].npg * pgs); in getentropy_fallback()
354 mm[m].p = MAP_FAILED; in getentropy_fallback()
357 HX(stat(".", &st) == -1, st); in getentropy_fallback()
358 HX(statvfs(".", &stvfs) == -1, stvfs); in getentropy_fallback()
359 HX(statfs(".", &stfs) == -1, stfs); in getentropy_fallback()
361 HX(stat("/", &st) == -1, st); in getentropy_fallback()
362 HX(statvfs("/", &stvfs) == -1, stvfs); in getentropy_fallback()
363 HX(statfs("/", &stfs) == -1, stfs); in getentropy_fallback()
365 HX((e = fstat(0, &st)) == -1, st); in getentropy_fallback()
366 if (e == -1) { in getentropy_fallback()
370 HX(fstatvfs(0, &stvfs) == -1, in getentropy_fallback()
372 HX(fstatfs(0, &stfs) == -1, in getentropy_fallback()
374 HX((off = lseek(0, (off_t)0, in getentropy_fallback()
375 SEEK_CUR)) < 0, off); in getentropy_fallback()
378 HX(tcgetattr(0, &tios) == -1, in getentropy_fallback()
381 memset(&ss, 0, sizeof ss); in getentropy_fallback()
383 HX(getpeername(0, in getentropy_fallback()
384 (void *)&ss, &ssl) == -1, in getentropy_fallback()
390 &ru)) == -1, ru); in getentropy_fallback()
391 if (e != -1) { in getentropy_fallback()
400 HX((e = gettimeofday(&tv, NULL)) == -1, tv); in getentropy_fallback()
401 if (e != -1) { in getentropy_fallback()
410 memcpy((char *)buf + i, results, min(sizeof(results), len - i)); in getentropy_fallback()
411 i += min(sizeof(results), len - i); in getentropy_fallback()
416 return (0); /* satisfied */ in getentropy_fallback()