use *_not_cancel variants to avoid accidental cancellations with nptl

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/common/not-cancel.h b/libc/sysdeps/linux/common/not-cancel.h
new file mode 100644
index 000000000..ebdc6078d
--- /dev/null
+++ b/libc/sysdeps/linux/common/not-cancel.h
@@ -0,0 +1,19 @@
+/* By default we have none.  Map the name to the normal functions.  */
+#define open_not_cancel(name, flags, mode) \
+  open (name, flags, mode)
+#define open_not_cancel_2(name, flags) \
+  open (name, flags)
+#define close_not_cancel(fd) \
+  close (fd)
+#define close_not_cancel_no_status(fd) \
+  (void) close (fd)
+#define read_not_cancel(fd, buf, n) \
+  read (fd, buf, n)
+#define write_not_cancel(fd, buf, n) \
+  write (fd, buf, n)
+#define writev_not_cancel_no_status(fd, iov, n) \
+  (void) writev (fd, iov, n)
+#define fcntl_not_cancel(fd, cmd, val) \
+  fcntl (fd, cmd, val)
+# define waitpid_not_cancel(pid, stat_loc, options) \
+  waitpid (pid, stat_loc, options)