[vala] linux: bind backtrace(3), backtrace_symbols(3), and backtrace_symbols_fd()

[Michael Lauer <mlauer src gnome org>]

commit 13e50ac632aa9cacc5b3202a798ef2932eb71cbc
Author: Michael 'Mickey' Lauer <mickey vanille-media de>
Date:   Mon Nov 9 21:56:09 2009 +0100

    linux: bind backtrace(3), backtrace_symbols(3), and backtrace_symbols_fd()
    
    support for application self-debugging as found in glibc since version 2.1

 vapi/linux.vapi |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/vapi/linux.vapi b/vapi/linux.vapi
index b3fc0eb..dd06567 100644
--- a/vapi/linux.vapi
+++ b/vapi/linux.vapi
@@ -109,6 +109,16 @@ namespace Linux {
         DT_WHT
     }
 
+    [CCode (cheader_filename = "execinfo.h")]
+    public int backtrace (void* buffer, int size);
+
+    [CCode (cheader_filename = "execinfo.h")]
+    [CCode (array_length = false)]
+    public string[] backtrace_symbols (void* buffer, int size);
+
+    [CCode (cheader_filename = "execinfo.h")]
+    public void backtrace_symbols_fd (void* buffer, int size, int fd);
+
     [CCode (cheader_filename = "arpa/inet.h")]
     public int inet_aton(string cp, out Posix.InAddr addr);