hare

commit 62c7f5218df795c0b7936eab3a567322e4b84f5e
parent 6c27da4aeec62b58aa0e10f6982c23841507c489
Author: Stacy Harper <contact@stacyharper.net>
Date:   Sat, 14 Jan 2023 17:49:55 +0100

Add flock syscalls wrappers

Signed-off-by: Stacy Harper <contact@stacyharper.net>

Diffstat:
M
rt/+linux/syscalls.ha
 | 
5
+++++
M
rt/+linux/types.ha
 | 
5
+++++

2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/rt/+linux/syscalls.ha b/rt/+linux/syscalls.ha
@@ -872,3 +872,8 @@ export fn fallocate(fd: int, mode: int, off: i64, ln: i64) (void | errno) = {
 export fn posix_fallocate(fd: int, off: i64, ln: i64) (void | errno) = {
 	fallocate(fd, 0, off, ln)?;
 };
+
+export fn flock(fd: int, op: int) (int | errno) = {
+	return wrap_return(syscall2(SYS_flock,
+		fd: u64, op: u64))?: int;
+};
diff --git a/rt/+linux/types.ha b/rt/+linux/types.ha
@@ -837,3 +837,8 @@ export def SPLICE_F_GIFT: uint = 8;
 export def SEEK_SET: int = 0;
 export def SEEK_CUR: int = 1;
 export def SEEK_END: int = 2;
+
+// Flock operations
+export def LOCK_SH: int = 1;
+export def LOCK_EX: int = 2;
+export def LOCK_UN: int = 4;