diff options
Diffstat (limited to 'src/include/storage/latch.h')
| -rw-r--r-- | src/include/storage/latch.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/include/storage/latch.h b/src/include/storage/latch.h index 03ec07119b9..df891e68aab 100644 --- a/src/include/storage/latch.h +++ b/src/include/storage/latch.h @@ -31,6 +31,13 @@ typedef struct #endif } Latch; +/* Bitmasks for events that may wake-up WaitLatch() clients */ +#define WL_LATCH_SET (1 << 0) +#define WL_SOCKET_READABLE (1 << 1) +#define WL_SOCKET_WRITEABLE (1 << 2) +#define WL_TIMEOUT (1 << 3) +#define WL_POSTMASTER_DEATH (1 << 4) + /* * prototypes for functions in latch.c */ @@ -38,9 +45,9 @@ extern void InitLatch(volatile Latch *latch); extern void InitSharedLatch(volatile Latch *latch); extern void OwnLatch(volatile Latch *latch); extern void DisownLatch(volatile Latch *latch); -extern bool WaitLatch(volatile Latch *latch, long timeout); -extern int WaitLatchOrSocket(volatile Latch *latch, pgsocket sock, - bool forRead, bool forWrite, long timeout); +extern int WaitLatch(volatile Latch *latch, int wakeEvents, long timeout); +extern int WaitLatchOrSocket(volatile Latch *latch, int wakeEvents, + pgsocket sock, long timeout); extern void SetLatch(volatile Latch *latch); extern void ResetLatch(volatile Latch *latch); |