summaryrefslogtreecommitdiff
path: root/posix/unistd.h
diff options
context:
space:
mode:
Diffstat (limited to 'posix/unistd.h')
-rw-r--r--posix/unistd.h25
1 files changed, 24 insertions, 1 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index c824311d2a..fa28d94d1e 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -228,6 +228,11 @@ typedef __off64_t off64_t;
typedef __pid_t pid_t;
# define pid_t pid_t
# endif
+
+# ifndef intptr_t
+typedef __intptr_t intptr_t;
+# define intptr_t intptr_t
+# endif
#endif /* Unix98 */
/* Values for the second argument to access.
@@ -1054,8 +1059,26 @@ extern void swab __P ((__const __ptr_t __from, __ptr_t __to, ssize_t __n));
/* Return the name of the controlling terminal. */
extern char *ctermid __P ((char *__s));
-/* Return the name of the current user. */
+/* Return the name of the current user. This function should not be
+ used and might go away some time. */
extern char *cuserid __P ((char *__s));
+
+
+/* This function is only available if the system has POSIX threads. */
+
+/* Install handlers to be called when a new process is created with FORK.
+ The PREPARE handler is called in the parent process just before performing
+ FORK. The PARENT handler is called in the parent process just after FORK.
+ The CHILD handler is called in the child process. Each of the three
+ handlers can be NULL, meaning that no handler needs to be called at that
+ point.
+ PTHREAD_ATFORK can be called several times, in which case the PREPARE
+ handlers are called in LIFO order (last added with PTHREAD_ATFORK,
+ first called before FORK), and the PARENT and CHILD handlers are called
+ in FIFO (first added, first called). */
+extern int pthread_atfork __P ((void (*__prepare) (void),
+ void (*__parent) (void),
+ void (*__child) (void)));
#endif
__END_DECLS