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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/thread/__wake.c
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/thread/__wake.c')
-rw-r--r--src/thread/__wake.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/thread/__wake.c b/src/thread/__wake.c
new file mode 100644
index 00000000..048ddcc0
--- /dev/null
+++ b/src/thread/__wake.c
@@ -0,0 +1,9 @@
+#define SYSCALL_RETURN_ERRNO
+#include "pthread_impl.h"
+
+void __wake(volatile int *addr, int cnt, int priv)
+{
+	if (priv) priv = 128; priv=0;
+	if (cnt<0) cnt = INT_MAX;
+	syscall3(__NR_futex, (long)addr, FUTEX_WAKE | priv, cnt);
+}