1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
14  * 3. All advertising materials mentioning features or use of this software
60 	    "usage: truss [-cfaedDHS] [-o file] [-s strsize] -p pid",  in usage()
61 	    "       truss [-cfaedDHS] [-o file] [-s strsize] command [args]");  in usage()
84 	trussinfo->outfile = stderr;  in main()
85 	trussinfo->strsize = 32;  in main()
86 	trussinfo->curthread = NULL;  in main()
87 	LIST_INIT(&trussinfo->proclist);  in main()
88 	while ((c = getopt(ac, av, "p:o:facedDs:SH")) != -1) {  in main()
94 				errx(2, "attempt to grab self.");  in main()
98 			trussinfo->flags |= FOLLOWFORKS;  in main()
101 			trussinfo->flags |= EXECVEARGS;  in main()
104 			trussinfo->flags |= (COUNTONLY | NOSIGS);  in main()
107 			trussinfo->flags |= EXECVEENVS;  in main()
110 			trussinfo->flags |= ABSOLUTETIMESTAMPS;  in main()
113 			trussinfo->flags |= RELATIVETIMESTAMPS;  in main()
119 			trussinfo->strsize = (int)strtonum(optarg, 0, INT_MAX,  in main()
125 			trussinfo->flags |= NOSIGS;  in main()
128 			trussinfo->flags |= DISPLAYTIDS;  in main()
135 	ac -= optind; av += optind;  in main()
142 		 * Set close-on-exec ('e'), so that the output file is not  in main()
145 		if ((trussinfo->outfile = fopen(fname, "we")) == NULL)  in main()
150 	 * If truss starts the process itself, it will ignore some signals --  in main()
152 	 * exit.  If, however, we are examining an already-running process,  in main()
176 	if (LIST_FIRST(&trussinfo->proclist)->abi == NULL) {  in main()
184 			kill(LIST_FIRST(&trussinfo->proclist)->pid, SIGKILL);  in main()
185 		ptrace(PT_DETACH, LIST_FIRST(&trussinfo->proclist)->pid, NULL,  in main()
189 	ptrace(PT_SYSCALL, LIST_FIRST(&trussinfo->proclist)->pid, (caddr_t)1,  in main()
197 	clock_gettime(CLOCK_REALTIME, &trussinfo->start_time);  in main()
201 	if (trussinfo->flags & COUNTONLY)  in main()
204 	fflush(trussinfo->outfile);  in main()