hare

commit 30f0e29d17478c166bc9d8a06be78a253b46a5a4
parent 4e9dfdaae6ff296b363b7f91de998115599fd1c5
Author: Mykyta Holubakha <hilobakho@gmail.com>
Date:   Wed, 10 Mar 2021 22:54:07 +0200

rt/+linux: added poll and timerfd_* syscalls

Diffstat:
M
rt/+linux/syscalls.ha
 | 
26
++++++++++++++++++++++++++
M
rt/+linux/types.ha
 | 
19
+++++++++++++++++++

2 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/rt/+linux/syscalls.ha b/rt/+linux/syscalls.ha
@@ -302,3 +302,29 @@ export fn getcwd() (*const char | errno) = {
 		PATH_MAX + 1))?;
 	return &pathbuf: *const char;
 };
+
+export fn poll(fds: *pollfd, nfds: nfds_t, timeout: int) (int | errno) = {
+	return wrap_return(syscall3(SYS_poll,
+		fds: uintptr: u64, nfds: u64, timeout: u64))?: int;
+};
+
+export fn timerfd_create(clock_id: int, flags: int) (int | errno) = {
+	return wrap_return(syscall2(SYS_timerfd_create,
+		clock_id: u64, flags: u64))?: int;
+};
+
+export fn timerfd_settime(
+	fd: int,
+	flags: int,
+	new_value: *itimerspec,
+	old_value: *itimerspec
+) (int | errno) = {
+	return wrap_return(syscall4(SYS_timerfd_settime,
+		fd: u64, flags: u64,
+		new_value: uintptr: u64, old_value: uintptr: u64))?: int;
+};
+
+export fn timerfd_gettime(fd: int, curr_value: *itimerspec) (int | errno) = {
+	return wrap_return(syscall2(SYS_timerfd_gettime,
+		fd: u64, curr_value: uintptr: u64))?: int;
+};
diff --git a/rt/+linux/types.ha b/rt/+linux/types.ha
@@ -7,6 +7,7 @@ export type uid_t = uint;
 export type gid_t = uint;
 export type time_t = i64;
 export type suseconds_t = i64;
+export type nfds_t = u64;
 
 export type timeval = struct {
 	tv_sec:  time_t,
@@ -18,6 +19,11 @@ export type timespec = struct {
 	tv_nsec: i64,
 };
 
+export type itimerspec = struct {
+	it_interval: timespec,
+	it_value: timespec,
+};
+
 export def AT_FDCWD: int		= -100;
 export def AT_SYMLINK_NOFOLLOW: int	= 0x100;
 export def AT_REMOVEDIR: int		= 0x200;
@@ -304,3 +310,16 @@ export type utsname = struct {
 	machine:    [65]char,
 	domainname: [65]char,
 };
+
+export def POLLIN: i16 = 0x001;
+export def POLLPRI: i16 = 0x002;
+export def POLLOUT: i16 = 0x004;
+
+export type pollfd = struct {
+	fd: int,
+	events: i16,
+	revents: i16,
+};
+
+export def TFD_TIMER_ABSTIME: int = 1;
+export def TFD_TIMER_CANCEL_ON_SET: int = 2;