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Diffstat (limited to 'nptl/pthread_cancel.c')
-rw-r--r--nptl/pthread_cancel.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c
index 43b65b6..9e3dfda 100644
--- a/nptl/pthread_cancel.c
+++ b/nptl/pthread_cancel.c
@@ -22,6 +22,7 @@
#include "pthreadP.h"
#include "atomic.h"
#include <sysdep.h>
+#include <kernel-features.h>
int
@@ -61,7 +62,21 @@ pthread_cancel (th)
thread as canceled. */
INTERNAL_SYSCALL_DECL (err);
- int val = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, SIGCANCEL);
+ int val;
+#if __ASSUME_TGKILL
+ val = INTERNAL_SYSCALL (tgkill, err, 3,
+ THREAD_GETMEM (THREAD_SELF, pid), pd->tid,
+ SIGCANCEL);
+#else
+# ifdef __NR_tgkill
+ val = INTERNAL_SYSCALL (tgkill, err, 3,
+ THREAD_GETMEM (THREAD_SELF, pid), pd->tid,
+ SIGCANCEL);
+ if (INTERNAL_SYSCALL_ERROR_P (val, err)
+ && INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
+# endif
+ val = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, SIGCANCEL);
+#endif
if (INTERNAL_SYSCALL_ERROR_P (val, err))
result = INTERNAL_SYSCALL_ERRNO (val, err);