57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*
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* Public domain
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*/
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#undef socketpair
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static int setfd(int fd, int flag)
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{
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int flags = fcntl(fd, F_GETFD);
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flags |= flag;
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return fcntl(fd, F_SETFD, flags);
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}
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static int setfl(int fd, int flag)
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{
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int flags = fcntl(fd, F_GETFL);
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flags |= flag;
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return fcntl(fd, F_SETFL, flags);
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}
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int pipe2(int fildes[2], int flags)
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{
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int rc = pipe(fildes);
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if (rc == 0) {
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if (flags & O_NONBLOCK) {
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setfl(fildes[0], O_NONBLOCK);
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setfl(fildes[1], O_NONBLOCK);
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}
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if (flags & O_CLOEXEC) {
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setfd(fildes[0], FD_CLOEXEC);
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setfd(fildes[1], FD_CLOEXEC);
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}
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}
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return rc;
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}
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int bsd_socketpair(int domain, int type, int protocol, int socket_vector[2])
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{
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int flags = type & ~0xf;
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type &= 0xf;
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int rc = socketpair(domain, type, protocol, socket_vector);
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if (rc == 0) {
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if (flags & SOCK_NONBLOCK) {
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setfl(socket_vector[0], O_NONBLOCK);
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setfl(socket_vector[1], O_NONBLOCK);
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}
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if (flags & SOCK_CLOEXEC) {
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setfd(socket_vector[0], FD_CLOEXEC);
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setfd(socket_vector[1], FD_CLOEXEC);
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}
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}
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return rc;
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}
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