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Add timersub for Win32. Fix gettimeofday on MinGW.

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This commit is contained in:
Oleksandr Shulgin 2015-06-04 11:00:08 +02:00
parent f14521f8cb
commit 50df864f8c
3 changed files with 23 additions and 5 deletions
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5
psycopg/pqpath.c
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@ -1616,15 +1616,14 @@ _pq_copy_both_v3(cursorObject *curs)
ping_time = last_comm;
ping_time.tv_sec += curs->keepalive_interval;
if (timercmp(&ping_time, &curr_time, >)) {
timersub(&ping_time, &curr_time, &time_diff);
if (time_diff.tv_sec > 0) {
Py_BEGIN_ALLOW_THREADS;
sel = select(PQsocket(conn) + 1, &fds, NULL, NULL, &time_diff);
Py_END_ALLOW_THREADS;
}
else {
sel = 0; /* pretend select() timed out */
sel = 0; /* we're past target time, pretend select() timed out */
}
if (sel < 0) {

17
psycopg/win32_support.c
View File

@ -29,6 +29,8 @@
#include "psycopg/win32_support.h"
#ifdef _WIN32
#ifndef __MINGW32__
/* millisecond-precision port of gettimeofday for Win32, taken from
src/port/gettimeofday.c in PostgreSQL core */
@ -58,4 +60,17 @@ gettimeofday(struct timeval * tp, struct timezone * tzp)
return 0;
}
#endif /* _WIN32 */
#endif /* !defined(__MINGW32__) */
/* timersub is missing on mingw */
void
timersub(struct timeval *a, struct timeval *b, struct timeval *c)
{
c->tv_sec = a->tv_sec - b->tv_sec;
c->tv_usec = a->tv_usec - b->tv_usec;
if (tv_usec < 0) {
c->tv_usec += 1000000;
c->tv_sec -= 1;
}
}
#endif /* defined(_WIN32) */

4
psycopg/win32_support.h
View File

@ -30,7 +30,11 @@
#include <sys/time.h>
#ifdef _WIN32
#ifndef __MINGW32__
HIDDEN int gettimeofday(struct timeval * tp, struct timezone * tzp);
#endif
HIDDEN void timersub(struct timeval *a, struct timeval *b, struct timeval *c);
#endif
#endif /* !defined(PSYCOPG_WIN32_SUPPORT_H) */