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clean up pthread_sigmask/sigprocmask dependency order

it's nicer for the function that doesn't use errno to be independent,
and have the other one call it. saves some time and avoids clobbering
errno.
Rich Felker 13 年 前
コミット
ad5881842e
2 ファイル変更7 行追加11 行削除
  1. 4 8
      src/signal/sigprocmask.c
  2. 3 3
      src/thread/pthread_sigmask.c

+ 4 - 8
src/signal/sigprocmask.c

@@ -1,14 +1,10 @@
 #include <signal.h>
 #include <errno.h>
-#include "syscall.h"
-#include "libc.h"
-#include "pthread_impl.h"
 
 int sigprocmask(int how, const sigset_t *set, sigset_t *old)
 {
-	if (how > 2U) {
-		errno = EINVAL;
-		return -1;
-	}
-	return syscall(SYS_rt_sigprocmask, how, set, old, 8);
+	int r = pthread_sigmask(how, set, old);
+	if (!r) return r;
+	errno = r;
+	return -1;
 }

+ 3 - 3
src/thread/pthread_sigmask.c

@@ -1,10 +1,10 @@
 #include <signal.h>
 #include <errno.h>
 #include <pthread.h>
+#include "syscall.h"
 
 int pthread_sigmask(int how, const sigset_t *set, sigset_t *old)
 {
-	int ret = sigprocmask(how, set, old);
-	if (ret) return errno;
-	return 0;
+	if (how > 2U) return EINVAL;
+	return -__syscall(SYS_rt_sigprocmask, how, set, old, 8);
 }