sys/wait.h: add P_PIDFD from linux v5.4

[musl] / include / sys / wait.h

diff --git a/include/sys/wait.h b/include/sys/wait.h
index 7b5e8c7..d4b1f2e 100644 (file)
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -6,19 +6,27 @@ extern "C" {
 
 #include <features.h>
 
-#include <signal.h>
-
 #define __NEED_pid_t
 #define __NEED_id_t
-#define __NEED_siginfo_t
 #include <bits/alltypes.h>
 
-typedef int idtype_t;
+typedef enum {
+       P_ALL = 0,
+       P_PID = 1,
+       P_PGID = 2,
+       P_PIDFD = 3
+} idtype_t;
 
 pid_t wait (int *);
-int waitid (idtype_t, id_t, siginfo_t *, int);
 pid_t waitpid (pid_t, int *, int );
 
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+#include <signal.h>
+int waitid (idtype_t, id_t, siginfo_t *, int);
+#endif
+
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #include <sys/resource.h>
 pid_t wait3 (int *, int, struct rusage *);
@@ -33,19 +41,26 @@ pid_t wait4 (pid_t, int *, int, struct rusage *);
 #define WCONTINUED 8
 #define WNOWAIT    0x1000000
 
-#define P_ALL  0
-#define P_PID  1
-#define P_PGID 2
+#define __WNOTHREAD 0x20000000
+#define __WALL      0x40000000
+#define __WCLONE    0x80000000
 
 #define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
 #define WTERMSIG(s) ((s) & 0x7f)
 #define WSTOPSIG(s) WEXITSTATUS(s)
 #define WCOREDUMP(s) ((s) & 0x80)
 #define WIFEXITED(s) (!WTERMSIG(s))
-#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
-#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
+#define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001)>>8) > 0x7f00)
+#define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
 #define WIFCONTINUED(s) ((s) == 0xffff)
 
+#if _REDIR_TIME64
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+__REDIR(wait3, __wait3_time64);
+__REDIR(wait4, __wait4_time64);
+#endif
+#endif
+
 #ifdef __cplusplus
 }
 #endif