diff options
Diffstat (limited to 'usr.bin/truss/main.c')
| -rw-r--r-- | usr.bin/truss/main.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/usr.bin/truss/main.c b/usr.bin/truss/main.c index fa97020924985..f36e4bd8814e7 100644 --- a/usr.bin/truss/main.c +++ b/usr.bin/truss/main.c @@ -162,12 +162,11 @@ main(int ac, char **av) int i; char **command; struct ex_types *funcs; - int sigexit, initial_open; + int initial_open; char *fname; struct trussinfo *trussinfo; char *signame; - sigexit = 0; fname = NULL; initial_open = 1; @@ -186,6 +185,11 @@ main(int ac, char **av) switch (c) { case 'p': /* specified pid */ trussinfo->pid = atoi(optarg); + /* make sure i don't trace me */ + if(trussinfo->pid == getpid()) { + fprintf(stderr, "attempt to grab self.\n"); + exit(2); + } break; case 'f': /* Follow fork()'s */ trussinfo->flags |= FOLLOWFORKS; @@ -352,15 +356,6 @@ START_TRACE: } } while (trussinfo->pr_why != S_EXIT); fflush(trussinfo->outfile); - if (sigexit) { - struct rlimit rlp; - - rlp.rlim_cur = 0; - rlp.rlim_max = 0; - setrlimit(RLIMIT_CORE, &rlp); - (void) signal(sigexit, SIG_DFL); - (void) kill(getpid(), sigexit); - } return (0); } |