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LibCore: Add syscall wrappers for sendfd() and recvfd()

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This commit is contained in:
Andreas Kling 2021-11-28 09:12:29 +01:00
parent 86a3ef2709
commit 982ac34437
2 changed files with 18 additions and 0 deletions
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16
Userland/Libraries/LibCore/System.cpp
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@ -11,6 +11,7 @@
#include <fcntl.h>
#include <stdarg.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <unistd.h>
#define HANDLE_SYSCALL_RETURN_VALUE(syscall_name, rc, success_value) \
@ -49,6 +50,21 @@ ErrorOr<Array<int, 2>> pipe2(int flags)
return Error::from_syscall("pipe2"sv, -errno);
return fds;
}
ErrorOr<void> sendfd(int sockfd, int fd)
{
if (::sendfd(sockfd, fd) < 0)
return Error::from_syscall("sendfd"sv, -errno);
return {};
}
ErrorOr<int> recvfd(int sockfd, int options)
{
auto fd = ::recvfd(sockfd, options);
if (fd < 0)
return Error::from_syscall("recvfd"sv, -errno);
return fd;
}
#endif
ErrorOr<void> sigaction(int signal, struct sigaction const* action, struct sigaction* old_action)

2
Userland/Libraries/LibCore/System.h
View file

@ -16,6 +16,8 @@ namespace Core::System {
ErrorOr<void> pledge(StringView promises, StringView execpromises = {});
ErrorOr<void> unveil(StringView path, StringView permissions);
ErrorOr<Array<int, 2>> pipe2(int flags);
ErrorOr<void> sendfd(int sockfd, int fd);
ErrorOr<int> recvfd(int sockfd, int options);
#endif
ErrorOr<void> sigaction(int signal, struct sigaction const* action, struct sigaction* old_action);