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LibC: Mark a bunch of functions as cancellation points

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This commit is contained in:
Tim Schumacher 2022-06-12 15:15:09 +02:00 • committed by Brian Gianforcaro
parent 899fd74f8e
commit c85f307e62
15 changed files with 78 additions and 0 deletions
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11
Userland/Libraries/LibC/sys/socket.cpp
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@ -5,6 +5,7 @@
*/
#include <AK/Assertions.h>
#include <bits/pthread_cancel.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
@ -38,6 +39,8 @@ int listen(int sockfd, int backlog)
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html
int accept(int sockfd, sockaddr* addr, socklen_t* addrlen)
{
__pthread_maybe_cancel();
return accept4(sockfd, addr, addrlen, 0);
}
@ -51,6 +54,8 @@ int accept4(int sockfd, sockaddr* addr, socklen_t* addrlen, int flags)
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
int connect(int sockfd, sockaddr const* addr, socklen_t addrlen)
{
__pthread_maybe_cancel();
int rc = syscall(SC_connect, sockfd, addr, addrlen);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -65,6 +70,8 @@ int shutdown(int sockfd, int how)
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
ssize_t sendmsg(int sockfd, const struct msghdr* msg, int flags)
{
__pthread_maybe_cancel();
int rc = syscall(SC_sendmsg, sockfd, msg, flags);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -86,6 +93,8 @@ ssize_t send(int sockfd, void const* data, size_t data_length, int flags)
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvmsg.html
ssize_t recvmsg(int sockfd, struct msghdr* msg, int flags)
{
__pthread_maybe_cancel();
int rc = syscall(SC_recvmsg, sockfd, msg, flags);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -93,6 +102,8 @@ ssize_t recvmsg(int sockfd, struct msghdr* msg, int flags)
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html
ssize_t recvfrom(int sockfd, void* buffer, size_t buffer_length, int flags, struct sockaddr* addr, socklen_t* addr_length)
{
__pthread_maybe_cancel();
if (!addr_length && addr) {
errno = EINVAL;
return -1;