hare

commit 0bcecc54838c9a96c1e18060649a2067e241d971
parent d12fca83c4680da1cd29ddc0341499f5c0a0d9ca
Author: Drew DeVault <sir@cmpwn.com>
Date:   Mon, 18 Mar 2024 09:15:44 +0100

rt+linux: fix getpgrp, alarm for !x86_64

Fixes: https://todo.sr.ht/~sircmpwn/hare/931
Signed-off-by: Drew DeVault <sir@cmpwn.com>

Diffstat:
M
rt/+linux/signal.ha
 | 
9
++++++++-
M
rt/+linux/syscalls.ha
 | 
2
+-

2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/rt/+linux/signal.ha b/rt/+linux/signal.ha
@@ -4,7 +4,14 @@
 // TODO: work when _NSIG != 64
 
 export fn alarm(sec: uint) uint = {
-	return syscall1(SYS_alarm, sec: u64): uint;
+	let nval = itimerval { ... };
+	let oval = itimerval { ... };
+	nval.it_value.tv_sec = sec: time_t;
+	setitimer(ITIMER_REAL, &nval, &oval)!;
+	if (oval.it_value.tv_usec != 0) {
+		oval.it_value.tv_sec += 1;
+	};
+	return oval.it_value.tv_sec: uint;
 };
 
 export def ITIMER_REAL: int = 0;
diff --git a/rt/+linux/syscalls.ha b/rt/+linux/syscalls.ha
@@ -276,7 +276,7 @@ export fn getpid() pid_t = syscall0(SYS_getpid): pid_t;
 
 export fn getppid() pid_t = syscall0(SYS_getppid): pid_t;
 
-export fn getpgrp() pid_t = syscall0(SYS_getpgrp): pid_t;
+export fn getpgrp() pid_t = getpgid(0)!;
 
 export fn getpgid(pid: pid_t) (pid_t | errno) = {
 	return wrap_return(syscall1(SYS_getpgid, pid: u64))?: pid_t;