Changeset 897fd8f1 in mainline for uspace/lib/c/include/futex.h

Timestamp:

2017-12-19T18:18:15Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

55b56f4

Parents:

7f11dc6

Message:

Use <errno.h> instead of special ESYNCH_xx error codes.

File:

• uspace/lib/c/include/futex.h (modified) (5 diffs)

uspace/lib/c/include/futex.h

@@ -37 +37 @@
 
 #include <atomic.h>
+#include <errno.h>
 #include <libc.h>
 
@@ -121 +122 @@
  *
  * @return ENOENT if there is no such virtual address.
- * @return Zero in the uncontended case.
- * @return Otherwise one of ESYNCH_OK_ATOMIC or ESYNCH_OK_BLOCKED.
+ * @return EOK on success.
+ * @return Error code from <errno.h> otherwise.
  *
  */
@@ -130 +131 @@
                 return __SYSCALL1(SYS_FUTEX_SLEEP, (sysarg_t) &futex->val.count);
         
-        return 0;
+        return EOK;
 }
 
@@ -138 +139 @@
  *
  * @return ENOENT if there is no such virtual address.
- * @return Zero in the uncontended case.
+ * @return EOK on success.
+ * @return Error code from <errno.h> otherwise.
  *
  */
@@ -146 +148 @@
                 return __SYSCALL1(SYS_FUTEX_WAKEUP, (sysarg_t) &futex->val.count);
         
-        return 0;
+        return EOK;
 }