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wayland: Dramatically lower the timeout when reading/writing pipes

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This commit is contained in:
Ethan Lee 2021-04-08 15:32:33 -04:00 committed by Sam Lantinga
parent cf12496311
commit c59d4dcd38
1 changed files with 7 additions and 2 deletions
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9
src/video/wayland/SDL_waylanddatamanager.c
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@ -36,6 +36,11 @@
#include "SDL_waylanddyn.h" #include "SDL_waylanddyn.h"
/* FIXME: This is arbitrary, but we want this to be less than a frame because
* any longer can potentially spin an infinite loop of PumpEvents (!)
*/
#define PIPE_MS_TIMEOUT 10
static ssize_t static ssize_t
write_pipe(int fd, const void* buffer, size_t total_length, size_t *pos) write_pipe(int fd, const void* buffer, size_t total_length, size_t *pos)
{ {
@ -47,7 +52,7 @@ write_pipe(int fd, const void* buffer, size_t total_length, size_t *pos)
sigset_t old_sig_set; sigset_t old_sig_set;
struct timespec zerotime = {0}; struct timespec zerotime = {0};
ready = SDL_IOReady(fd, SDL_TRUE, 1 * 1000); ready = SDL_IOReady(fd, SDL_TRUE, PIPE_MS_TIMEOUT);
sigemptyset(&sig_set); sigemptyset(&sig_set);
sigaddset(&sig_set, SIGPIPE); sigaddset(&sig_set, SIGPIPE);
@ -93,7 +98,7 @@ read_pipe(int fd, void** buffer, size_t* total_length, SDL_bool null_terminate)
ssize_t bytes_read = 0; ssize_t bytes_read = 0;
size_t pos = 0; size_t pos = 0;
ready = SDL_IOReady(fd, SDL_FALSE, 1 * 1000); ready = SDL_IOReady(fd, SDL_FALSE, PIPE_MS_TIMEOUT);
if (ready == 0) { if (ready == 0) {
bytes_read = SDL_SetError("Pipe timeout"); bytes_read = SDL_SetError("Pipe timeout");