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Diffstat (limited to 'include/sys/wait.h')
-rw-r--r--include/sys/wait.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/sys/wait.h b/include/sys/wait.h
index a7ad7cd1..c794f5d3 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -6,8 +6,6 @@ extern "C" {
#include <features.h>
-#include <signal.h>
-
#define __NEED_pid_t
#define __NEED_id_t
#include <bits/alltypes.h>
@@ -19,9 +17,15 @@ typedef enum {
} 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 *);