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authorPascal Bellard <pascal.bellard@ads-lu.com>2010-07-04 00:57:03 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2010-07-04 00:57:03 +0200
commit21e8e8da6483c80a6054b06e48341968a7dccdd5 (patch)
tree9980dc076107930f9706733c7cbedcf0e4099877 /miscutils/time.c
parent7c1b2b5420d4208864b8bc6e07e90792aed94981 (diff)
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libbb: introduce and use BB_EXECVP_or_die()
function old new delta BB_EXECVP_or_die - 47 +47 time_main 1042 1043 +1 chrt_main 371 364 -7 ionice_main 292 282 -10 setsid_main 69 56 -13 nohup_main 236 223 -13 cttyhack_main 266 253 -13 chroot_main 94 81 -13 chpst_main 746 733 -13 timeout_main 297 279 -18 taskset_main 541 522 -19 vfork_child 67 45 -22 parse 975 953 -22 lpd_main 770 748 -22 launch_helper 192 170 -22 tcpudpsvd_main 1810 1782 -28 nice_main 190 156 -34 env_main 242 206 -36 run_command 221 174 -47 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/17 up/down: 48/-352) Total: -304 bytes Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/time.c')
-rw-r--r--miscutils/time.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/miscutils/time.c b/miscutils/time.c
index f5d1e15fb..5cfbcef8e 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -367,20 +367,17 @@ static void summarize(const char *fmt, char **command, resource_t *resp)
367 Put the statistics in *RESP. */ 367 Put the statistics in *RESP. */
368static void run_command(char *const *cmd, resource_t *resp) 368static void run_command(char *const *cmd, resource_t *resp)
369{ 369{
370 pid_t pid; /* Pid of child. */ 370 pid_t pid;
371 void (*interrupt_signal)(int); 371 void (*interrupt_signal)(int);
372 void (*quit_signal)(int); 372 void (*quit_signal)(int);
373 373
374 resp->elapsed_ms = monotonic_ms(); 374 resp->elapsed_ms = monotonic_ms();
375 pid = vfork(); /* Run CMD as child process. */ 375 pid = vfork();
376 if (pid < 0) 376 if (pid < 0)
377 bb_perror_msg_and_die("fork"); 377 bb_perror_msg_and_die("vfork");
378 if (pid == 0) { /* If child. */ 378 if (pid == 0) {
379 /* Don't cast execvp arguments; that causes errors on some systems, 379 /* Child */
380 versus merely warnings if the cast is left off. */ 380 BB_EXECVP_or_die((char**)cmd);
381 BB_EXECVP(cmd[0], cmd);
382 xfunc_error_retval = (errno == ENOENT ? 127 : 126);
383 bb_perror_msg_and_die("can't execute '%s'", cmd[0]);
384 } 381 }
385 382
386 /* Have signals kill the child but not self (if possible). */ 383 /* Have signals kill the child but not self (if possible). */