Add missing sigaltstack definition for darwin

LemonBoy · LemonBoy · commit b8d1060f0a24 · 2019-05-29T22:38:14.000+02:00
diff --git a/std/c/darwin.zig b/std/c/darwin.zig
@@ -54,3 +54,5 @@ pub extern "c" fn mach_port_deallocate(task: ipc_space_t, name: mach_port_name_t
 pub fn sigaddset(set: *sigset_t, signo: u5) void {
     set.* |= u32(1) << (signo - 1);
 }
+
+pub extern "c" fn sigaltstack(ss: ?*stack_t, old_ss: ?*stack_t) c_int;

Original file line number	Diff line number	Diff line change
`@@ -54,3 +54,5 @@ pub extern "c" fn mach_port_deallocate(task: ipc_space_t, name: mach_port_name_t`
`54`	`54`	`pub fn sigaddset(set: *sigset_t, signo: u5) void {`
`55`	`55`	`set.* \|= u32(1) << (signo - 1);`
`56`	`56`	`}`
	`57`	`+`
	`58`	`+pub extern "c" fn sigaltstack(ss: ?stack_t, old_ss: ?stack_t) c_int;`