[vala/staging] posix: Add strsignal(3) and psignal(3)

[Dr. Michael Lauer <mlauer src gnome org>]

commit 4923f2a6c91e5e11464ce41ee2c8d9f3a4dcfc33
Author: Dr. Michael Lauer <mickey vanille-media de>
Date:   Sun Mar 11 12:46:41 2018 +0100

    posix: Add strsignal(3) and psignal(3)

 vapi/posix.vapi |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index 31d402d..3ff93d3 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -1257,6 +1257,8 @@ namespace Posix {
        [CCode (cheader_filename = "signal.h")]
        public int raise (int signum);
        [CCode (cheader_filename = "signal.h")]
+       public void psignal (int signum, string message);
+       [CCode (cheader_filename = "signal.h")]
        public int sigemptyset (out sigset_t sigset);
        [CCode (cheader_filename = "signal.h")]
        public int sigfillset (out sigset_t sigset);
@@ -1396,6 +1398,8 @@ namespace Posix {
        [CCode (cheader_filename = "string.h")]
        public unowned string? strrchr (string s, int c);
        [CCode (cheader_filename = "string.h")]
+       public unowned string? strsignal (int signum);
+       [CCode (cheader_filename = "string.h")]
        public size_t strspn (string s1, string s2);
        [CCode (cheader_filename = "string.h")]
        public unowned string? strstr (string s1, string s2);