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time: show which signal terminated the program, exit status

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The exit status when a program is signaled is not specified in POSIX afaik.
The GNU behaviour of 128 + signalno is used.
This commit is contained in:
Hiltjo Posthuma 2015-03-08 12:49:24 +01:00
parent ad6776e9a1
commit 603499b674
1 changed files with 11 additions and 2 deletions
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13
time.c
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@ -21,7 +21,7 @@ main(int argc, char *argv[])
struct tms tms; /* user and sys times */ struct tms tms; /* user and sys times */
clock_t r0, r1; /* real time */ clock_t r0, r1; /* real time */
long ticks; /* per second */ long ticks; /* per second */
int status, savederrno; int status, savederrno, ret = 0;
ARGBEGIN { ARGBEGIN {
case 'p': case 'p':
@ -55,10 +55,19 @@ main(int argc, char *argv[])
if ((r1 = times(&tms)) < 0) if ((r1 = times(&tms)) < 0)
eprintf("times:"); eprintf("times:");
if (WIFSIGNALED(status)) {
fprintf(stderr, "Command terminated by signal %d\n",
WTERMSIG(status));
ret = 128 + WTERMSIG(status);
}
fprintf(stderr, "real %f\nuser %f\nsys %f\n", fprintf(stderr, "real %f\nuser %f\nsys %f\n",
(r1 - r0) / (double)ticks, (r1 - r0) / (double)ticks,
tms.tms_cutime / (double)ticks, tms.tms_cutime / (double)ticks,
tms.tms_cstime / (double)ticks); tms.tms_cstime / (double)ticks);
return WIFEXITED(status) ? WEXITSTATUS(status) : 0; if (WIFEXITED(status))
ret = WEXITSTATUS(status);
return ret;
} }