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https://github.com/jart/cosmopolitan.git
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1d4eb08fa1
This change introduces new tests for `O_NONBLOCK` and `SOCK_NONBLOCK` to
confirm that non-blocking i/o is now working on all supported platforms,
including Windows. For example, you can now say on Windows, MacOS, etc.:
socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, IPPROTO_TCP);
To create a non-blocking IPv4 TCP socket. Or you can enable non-blocking
i/o on an existing socket / pipe / etc. file descriptor by calling fcntl
fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK);
This functionality is polyfilled on older Linux kernels too, e.g. RHEL5.
Now that fcntl() support is much better the FIOCLEX / FIONCLEX polyfills
for ioctl() have been removed since they're ugly non-POSIX diameond APIs
This change fixes a weakness in kprintf() that was causing Windows trace
tools to frequently crash.
95 lines
3.7 KiB
C
95 lines
3.7 KiB
C
#ifndef COSMOPOLITAN_LIBC_SOCK_INTERNAL_H_
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#define COSMOPOLITAN_LIBC_SOCK_INTERNAL_H_
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#include "libc/calls/struct/iovec.h"
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#include "libc/calls/struct/sigset.h"
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#include "libc/nt/struct/overlapped.h"
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#include "libc/nt/thunk/msabi.h"
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#include "libc/nt/winsock.h"
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#include "libc/sock/select.h"
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#include "libc/sock/sock.h"
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#include "libc/sock/struct/sockaddr.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define kNtFdRead 1
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#define kNtFdWrite 2
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#define kNtFdOob 4
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#define kNtFdAccept 8
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#define kNtFdConnect 16
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#define kNtFdClose 32
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#define kNtFdQos 64
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#define kNtFdGroupQos 128
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#define kNtFdRoutingInterfaceChange 256
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#define kNtFdAddressListChange 512
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/* ------------------------------------------------------------------------------------*/
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#define SOCKFD_OVERLAP_BUFSIZ 128
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struct SockFd {
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int family;
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int type;
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int protocol;
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uint32_t rcvtimeo;
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uint32_t sndtimeo;
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};
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errno_t __dos2errno(uint32_t) _Hide;
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int32_t __sys_accept(int32_t, void *, uint32_t *, int) dontdiscard _Hide;
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int32_t __sys_accept4(int32_t, void *, uint32_t *, int) dontdiscard _Hide;
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int32_t __sys_bind(int32_t, const void *, uint32_t) _Hide;
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int32_t __sys_connect(int32_t, const void *, uint32_t) _Hide;
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int32_t __sys_getpeername(int32_t, void *, uint32_t *) _Hide;
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int32_t __sys_getsockname(int32_t, void *, uint32_t *) _Hide;
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int32_t __sys_socket(int32_t, int32_t, int32_t) _Hide;
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int32_t __sys_socketpair(int32_t, int32_t, int32_t, int32_t[2]) _Hide;
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int32_t sys_accept4(int32_t, void *, uint32_t *, int) dontdiscard _Hide;
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int32_t sys_bind(int32_t, const void *, uint32_t) _Hide;
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int32_t sys_connect(int32_t, const void *, uint32_t) _Hide;
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int32_t sys_getsockopt(int32_t, int32_t, int32_t, void *, uint32_t *) _Hide;
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int32_t sys_listen(int32_t, int32_t) _Hide;
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int32_t sys_getsockname(int32_t, void *, uint32_t *) _Hide;
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int32_t sys_getpeername(int32_t, void *, uint32_t *) _Hide;
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int32_t sys_shutdown(int32_t, int32_t) _Hide;
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int32_t sys_socket(int32_t, int32_t, int32_t) _Hide;
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int32_t sys_socketpair(int32_t, int32_t, int32_t, int32_t[2]) _Hide;
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ssize_t sys_recvfrom(int, void *, size_t, int, void *, uint32_t *) _Hide;
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ssize_t sys_sendto(int, const void *, size_t, int, const void *,
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uint32_t) _Hide;
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int32_t sys_select(int32_t, fd_set *, fd_set *, fd_set *,
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struct timeval *) _Hide;
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int sys_pselect(int, fd_set *, fd_set *, fd_set *, struct timespec *,
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const void *) _Hide;
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int sys_setsockopt(int, int, int, const void *, uint32_t) _Hide;
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int32_t sys_epoll_create(int32_t) _Hide;
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int32_t sys_epoll_ctl(int32_t, int32_t, int32_t, void *) _Hide;
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int32_t sys_epoll_wait(int32_t, void *, int32_t, int32_t) _Hide;
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int32_t sys_epoll_pwait(int32_t, void *, int32_t, int32_t, const sigset_t *,
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size_t);
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int sys_socket_nt(int, int, int) _Hide;
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/*
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int sys_socketpair_nt_stream(int, int, int, int[2]) _Hide;
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int sys_socketpair_nt_dgram(int, int, int, int[2]) _Hide;
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*/
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int sys_socketpair_nt(int, int, int, int[2]) _Hide;
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int sys_select_nt(int, fd_set *, fd_set *, fd_set *, struct timeval *,
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const sigset_t *) _Hide;
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size_t __iovec2nt(struct NtIovec[hasatleast 16], const struct iovec *,
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size_t) _Hide;
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void WinSockInit(void) _Hide;
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int64_t __winsockerr(void) nocallback _Hide;
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int __fixupnewsockfd(int, int) _Hide;
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int64_t __winsockblock(int64_t, unsigned, int64_t, uint32_t) _Hide;
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struct SockFd *_dupsockfd(struct SockFd *) _Hide;
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int64_t GetNtBaseSocket(int64_t) _Hide;
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int sys_close_epoll(int) _Hide;
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_SOCK_INTERNAL_H_ */
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