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authorMike Crowe <mac@mcrowe.com>2019-10-31 10:03:21 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-11-01 11:23:43 -0300
commit69ca4b54c151cec42ccca5e05790efc1a8206b47 (patch)
treee239090413e1da5dbd3a9fc3ce54895da5624346 /sysdeps/nptl/pthread.h
parent893bbdd0072fbf96808e66af04b970e5b39171fb (diff)
downloadglibc-69ca4b54c151cec42ccca5e05790efc1a8206b47.tar.gz
nptl: Add pthread_clockjoin_np
Introduce pthread_clockjoin_np as a version of pthread_timedjoin_np that accepts a clockid_t parameter to indicate which clock the timeout should be measured against. This mirrors the recently-added POSIX-proposed "clock" wait functions. Checked on x86_64-linux-gnu. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/nptl/pthread.h')
-rw-r--r--sysdeps/nptl/pthread.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/nptl/pthread.h b/sysdeps/nptl/pthread.h
index 467b446aca..d2fe6b7479 100644
--- a/sysdeps/nptl/pthread.h
+++ b/sysdeps/nptl/pthread.h
@@ -263,6 +263,17 @@ extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW;
__THROW. */
extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return,
const struct timespec *__abstime);
+
+/* Make calling thread wait for termination of the thread TH, but only
+ until TIMEOUT measured against the clock specified by CLOCKID. The
+ exit status of the thread is stored in *THREAD_RETURN, if
+ THREAD_RETURN is not NULL.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int pthread_clockjoin_np (pthread_t __th, void **__thread_return,
+ clockid_t clockid,
+ const struct timespec *__abstime);
#endif
/* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.