1 files changed, 48 insertions, 0 deletions
diff --git a/src/libstddjb/ipc_accept.c b/src/libstddjb/ipc_accept.c
new file mode 100644
index 0000000..dc3eae7
--- /dev/null
+++ b/src/libstddjb/ipc_accept.c
@@ -0,0 +1,48 @@
+/* ISC license. */
+
+#include <skalibs/sysdeps.h>
+#include <skalibs/nonposix.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/webipc.h>
+
+int ipc_accept_internal (int s, char *p, unsigned int l, int *trunc, unsigned int options)
+{
+  struct sockaddr_un sa ;
+  socklen_t dummy = sizeof sa ;
+  register int fd ;
+  byte_zero((char*)&sa, (unsigned int)dummy) ;
+  do
+#ifdef SKALIBS_HASACCEPT4
+    fd = accept4(s, (struct sockaddr *)&sa, &dummy, ((options & DJBUNIX_FLAG_NB) ? SOCK_NONBLOCK : 0) | ((options & DJBUNIX_FLAG_COE) ? SOCK_CLOEXEC : 0)) ;
+#else
+    fd = accept(s, (struct sockaddr *)&sa, &dummy) ;
+#endif
+  while ((fd == -1) && (errno == EINTR)) ;
+  if (fd == -1) return -1 ;
+#ifndef SKALIBS_HASACCEPT4
+  if ((((options & DJBUNIX_FLAG_NB) ? ndelay_on(fd) : ndelay_off(fd)) < 0)
+   || (((options & DJBUNIX_FLAG_COE) ? coe(fd) : uncoe(fd)) < 0))
+  {
+    register int e = errno ;
+    fd_close(fd) ;
+    errno = e ;
+    return -1 ;
+  }
+#endif
+
+  if (p)
+  {
+    dummy = byte_chr(sa.sun_path, dummy, 0) ;
+    *trunc = 1 ;
+    if (!l) return fd ;
+    if (l < (dummy + 1)) dummy = l - 1 ;
+    else *trunc = 0 ;
+    byte_copy(p, dummy, sa.sun_path) ;
+    p[dummy] = 0 ;
+  }
+  return fd ;
+}