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mingw: use poll-emulation from gnulib
Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Erik Faye-Lund
Junio C Hamano
parent
49521af8a8
commit
fdc1211463
6
Makefile
6
Makefile
@ -497,6 +497,7 @@ LIB_H += compat/cygwin.h
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LIB_H += compat/mingw.h
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LIB_H += compat/win32/pthread.h
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LIB_H += compat/win32/syslog.h
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LIB_H += compat/win32/sys/poll.h
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LIB_H += csum-file.h
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LIB_H += decorate.h
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LIB_H += delta.h
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@ -1082,7 +1083,7 @@ ifeq ($(uname_S),Windows)
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AR = compat/vcbuild/scripts/lib.pl
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CFLAGS =
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BASIC_CFLAGS = -nologo -I. -I../zlib -Icompat/vcbuild -Icompat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
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COMPAT_OBJS = compat/msvc.o compat/fnmatch/fnmatch.o compat/winansi.o compat/win32/pthread.o compat/win32/syslog.o
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COMPAT_OBJS = compat/msvc.o compat/fnmatch/fnmatch.o compat/winansi.o compat/win32/pthread.o compat/win32/syslog.o compat/win32/sys/poll.o
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COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/fnmatch -Icompat/regex -Icompat/fnmatch -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
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BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE -NODEFAULTLIB:MSVCRT.lib
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EXTLIBS = advapi32.lib shell32.lib wininet.lib ws2_32.lib
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@ -1132,7 +1133,8 @@ ifneq (,$(findstring MINGW,$(uname_S)))
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COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/fnmatch -Icompat/win32
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COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
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COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/winansi.o \
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compat/win32/pthread.o compat/win32/syslog.o
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compat/win32/pthread.o compat/win32/syslog.o \
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compat/win32/sys/poll.o
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EXTLIBS += -lws2_32
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PTHREAD_LIBS =
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X = .exe
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@ -408,71 +408,6 @@ int pipe(int filedes[2])
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return 0;
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}
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int poll(struct pollfd *ufds, unsigned int nfds, int timeout)
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{
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int i, pending;
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if (timeout >= 0) {
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if (nfds == 0) {
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Sleep(timeout);
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return 0;
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}
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return errno = EINVAL, error("poll timeout not supported");
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}
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/* When there is only one fd to wait for, then we pretend that
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* input is available and let the actual wait happen when the
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* caller invokes read().
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*/
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if (nfds == 1) {
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if (!(ufds[0].events & POLLIN))
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return errno = EINVAL, error("POLLIN not set");
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ufds[0].revents = POLLIN;
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return 0;
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}
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repeat:
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pending = 0;
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for (i = 0; i < nfds; i++) {
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DWORD avail = 0;
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HANDLE h = (HANDLE) _get_osfhandle(ufds[i].fd);
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if (h == INVALID_HANDLE_VALUE)
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return -1; /* errno was set */
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if (!(ufds[i].events & POLLIN))
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return errno = EINVAL, error("POLLIN not set");
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/* this emulation works only for pipes */
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if (!PeekNamedPipe(h, NULL, 0, NULL, &avail, NULL)) {
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int err = GetLastError();
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if (err == ERROR_BROKEN_PIPE) {
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ufds[i].revents = POLLHUP;
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pending++;
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} else {
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errno = EINVAL;
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return error("PeekNamedPipe failed,"
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" GetLastError: %u", err);
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}
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} else if (avail) {
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ufds[i].revents = POLLIN;
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pending++;
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} else
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ufds[i].revents = 0;
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}
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if (!pending) {
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/* The only times that we spin here is when the process
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* that is connected through the pipes is waiting for
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* its own input data to become available. But since
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* the process (pack-objects) is itself CPU intensive,
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* it will happily pick up the time slice that we are
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* relinquishing here.
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*/
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Sleep(0);
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goto repeat;
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}
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return 0;
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}
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struct tm *gmtime_r(const time_t *timep, struct tm *result)
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{
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/* gmtime() in MSVCRT.DLL is thread-safe, but not reentrant */
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@ -59,16 +59,6 @@ struct passwd {
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extern char *getpass(const char *prompt);
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#ifndef POLLIN
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struct pollfd {
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int fd; /* file descriptor */
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short events; /* requested events */
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short revents; /* returned events */
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};
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#define POLLIN 1
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#define POLLHUP 2
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#endif
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typedef void (__cdecl *sig_handler_t)(int);
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struct sigaction {
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sig_handler_t sa_handler;
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@ -175,7 +165,6 @@ int pipe(int filedes[2]);
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unsigned int sleep (unsigned int seconds);
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int mkstemp(char *template);
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int gettimeofday(struct timeval *tv, void *tz);
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int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
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struct tm *gmtime_r(const time_t *timep, struct tm *result);
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struct tm *localtime_r(const time_t *timep, struct tm *result);
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int getpagesize(void); /* defined in MinGW's libgcc.a */
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@ -24,8 +24,7 @@
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# pragma GCC diagnostic ignored "-Wtype-limits"
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#endif
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#include <config.h>
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#include <alloca.h>
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#include <malloc.h>
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#include <sys/types.h>
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#include "poll.h"
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@ -105,9 +105,9 @@
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#include <regex.h>
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#include <utime.h>
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#include <syslog.h>
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#include <sys/poll.h>
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#ifndef __MINGW32__
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#include <sys/wait.h>
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#include <sys/poll.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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