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fix ESRCH error handling for clock_getcpuclockid

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the syscall used to probe availability of the clock fails with EINVAL
when the requested pid does not exist, but clock_getcpuclockid is
specified to use ESRCH for this purpose.
This commit is contained in:
Eugene Yudin 2022-08-01 13:53:22 -04:00 • committed by Rich Felker
parent 4f48da008d
commit baaf257f05
1 changed files with 1 additions and 0 deletions
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src/time/clock_getcpuclockid.c
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@ -8,6 +8,7 @@ int clock_getcpuclockid(pid_t pid, clockid_t *clk)
struct timespec ts;
clockid_t id = (-pid-1)*8U + 2;
int ret = __syscall(SYS_clock_getres, id, &ts);
if (ret == -EINVAL) ret = -ESRCH;
if (ret) return -ret;
*clk = id;
return 0;