hare

commit a0efbe96bd9fa845c1d61ec405fe0d65d86bc72a
parent dfb88eea79e53f3a60a6452b6e32e612bd52edc9
Author: Alexey Yerin <yyp@disroot.org>
Date:   Sun,  3 Sep 2023 16:23:27 +0300

unix::signal: Set SA_SIGINFO by default

Hare uses a three-argument signal handler, but doesn't tell the kernel to do so.
Because of this, reading from siginfo or ucontext will return random data
(Linux) or segfault (FreeBSD).

Signed-off-by: Alexey Yerin <yyp@disroot.org>

Diffstat:
M
unix/signal/+freebsd.ha
 | 
2
+-
M
unix/signal/+linux.ha
 | 
2
+-

2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/unix/signal/+freebsd.ha b/unix/signal/+freebsd.ha
@@ -14,7 +14,7 @@ export fn handle(
 ) sigaction = {
 	let sa_mask = newsigset();
 
-	let sa_flags = 0, nmask = 0;
+	let sa_flags = rt::SA_SIGINFO: int, nmask = 0;
 	for (let i = 0z; i < len(opt); i += 1) {
 		match (opt[i]) {
 		case let flag: flag =>
diff --git a/unix/signal/+linux.ha b/unix/signal/+linux.ha
@@ -17,7 +17,7 @@ export fn handle(
 ) sigaction = {
 	let sa_mask = newsigset();
 
-	let sa_flags = 0u64, nmask = 0;
+	let sa_flags = rt::SA_SIGINFO, nmask = 0;
 	for (let i = 0z; i < len(opt); i += 1) {
 		match (opt[i]) {
 		case let flag: flag =>