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-rw-r--r--src/libstddjb/selfpipe_read.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/libstddjb/selfpipe_read.c b/src/libstddjb/selfpipe_read.c
new file mode 100644
index 0000000..b68e67d
--- /dev/null
+++ b/src/libstddjb/selfpipe_read.c
@@ -0,0 +1,31 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <skalibs/sysdeps.h>
+#include <skalibs/allreadwrite.h>
+#include "selfpipe-internal.h"
+#include <skalibs/selfpipe.h>
+
+#ifdef SKALIBS_HASSIGNALFD
+
+#include <sys/signalfd.h>
+
+int selfpipe_read (void)
+{
+ struct signalfd_siginfo buf ;
+ register int r = sanitize_read(fd_read(selfpipe_fd, (char *)&buf, sizeof(struct signalfd_siginfo))) ;
+ return (r <= 0) ? r : (int)buf.ssi_signo ;
+}
+
+#else
+
+int selfpipe_read (void)
+{
+ char c ;
+ register int r = sanitize_read((fd_read(selfpipe_fd, &c, 1))) ;
+ return (r <= 0) ? r : (int)c ;
+}
+
+#endif
+