summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRich Felker <dalias@aerifal.cx>2014-12-02 22:17:52 -0500
committerRich Felker <dalias@aerifal.cx>2014-12-02 22:17:52 -0500
commit66140b0c926ed097f2cb7474863523e4af351f5b (patch)
tree6523a524359b317c728c0f263f8f467612ddf79c
parenta56e339419c1a90f8a85f86621f3c73945e07b23 (diff)
downloadmusl-66140b0c926ed097f2cb7474863523e4af351f5b.tar.gz
musl-66140b0c926ed097f2cb7474863523e4af351f5b.tar.bz2
musl-66140b0c926ed097f2cb7474863523e4af351f5b.tar.xz
musl-66140b0c926ed097f2cb7474863523e4af351f5b.zip
fix return value of pthread_getaffinity_np and pthread_setaffinity_np
these functions are expected to return an error code rather than setting errno and returning -1.
-rw-r--r--src/sched/affinity.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/sched/affinity.c b/src/sched/affinity.c
index 737e41b5..948ece41 100644
--- a/src/sched/affinity.c
+++ b/src/sched/affinity.c
@@ -11,20 +11,23 @@ int sched_setaffinity(pid_t tid, size_t size, const cpu_set_t *set)
int pthread_setaffinity_np(pthread_t td, size_t size, const cpu_set_t *set)
{
- return syscall(SYS_sched_setaffinity, td->tid, size, set);
+ return -__syscall(SYS_sched_setaffinity, td->tid, size, set);
}
-int sched_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
+static int do_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
{
long ret = __syscall(SYS_sched_getaffinity, tid, size, set);
- if (ret > 0) {
- if (ret < size) memset((char *)set+ret, 0, size-ret);
- ret = 0;
- }
- return __syscall_ret(ret);
+ if (ret < 0) return ret;
+ if (ret < size) memset((char *)set+ret, 0, size-ret);
+ return 0;
+}
+
+int sched_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
+{
+ return __syscall_ret(do_getaffinity(tid, size, set));
}
int pthread_getaffinity_np(pthread_t td, size_t size, cpu_set_t *set)
{
- return sched_getaffinity(td->tid, size, set);
+ return -do_getaffinity(td->tid, size, set);
}