compat: work around broken _SC_NPROCESSORS_CONF on MUSL libc

[lttng-ust.git] / include / share.h

diff --git a/include/share.h b/include/share.h
index f674f31f590719915398d56d464e7684b7ddaf14..20315b26bc932d1eac77efa32bf4c7129e17f02f 100644 (file)
--- a/include/share.h
+++ b/include/share.h
@@ -1,34 +1,31 @@
-#ifndef UST_SHARE_H
-#define UST_SHARE_H
+#ifndef _LTTNG_SHARE_H
+#define _LTTNG_SHARE_H
 
-#include <unistd.h>
-#include <errno.h>
-
-/* This write is patient because it restarts if it was incomplete.
+/*
+ * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
-static inline ssize_t patient_write(int fd, const void *buf, size_t count)
-{
-       const char *bufc = (const char *) buf;
-       int result;
-
-       for(;;) {
-               result = write(fd, bufc, count);
-               if(result == -1 && errno == EINTR) {
-                       continue;
-               }
-               if(result <= 0) {
-                       return result;
-               }
-               count -= result;
-               bufc += result;
-
-               if(count == 0) {
-                       break;
-               }
-       }
+#include <stdlib.h>
 
-       return bufc-(const char *)buf;
-}
+ssize_t patient_write(int fd, const void *buf, size_t count);
+ssize_t patient_send(int fd, const void *buf, size_t count, int flags);
 
-#endif /* UST_SHARE_H */
+#endif /* _LTTNG_SHARE_H */