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fix ESRCH error handling for clock_getcpuclockid
author
Eugene Yudin
<e.yudin@ndmsystems.com>
Mon, 1 Aug 2022 17:53:22 +0000
(13:53 -0400)
committer
Rich Felker
<dalias@aerifal.cx>
Mon, 1 Aug 2022 17:53:22 +0000
(13:53 -0400)
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.
src/time/clock_getcpuclockid.c
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diff --git
a/src/time/clock_getcpuclockid.c
b/src/time/clock_getcpuclockid.c
index
8a0e2d4
..
bce1e8a
100644
(file)
--- a/
src/time/clock_getcpuclockid.c
+++ b/
src/time/clock_getcpuclockid.c
@@
-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;