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Wait for network activity instead of polling.

This commit is contained in:
Chris Young 2014-07-03 20:53:28 +01:00
parent 074e6f3ec6
commit eccfdec27a
1 changed files with 25 additions and 3 deletions
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28
amiga/gui.c
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@ -18,6 +18,7 @@
/* NetSurf core includes */
#include "content/backing_store.h"
#include "content/fetchers.h"
#include "content/fetchers/resource.h"
#include "content/urldb.h"
#include "css/utils.h"
@ -2462,15 +2463,36 @@ void ami_get_msg(void)
ULONG appsig = 1L << appport->mp_SigBit;
ULONG schedulesig = 1L << msgport->mp_SigBit;
ULONG ctrlcsig = SIGBREAKF_CTRL_C;
ULONG signal;
uint32 signal = 0;
fd_set read_fd_set, write_fd_set, except_fd_set;
int max_fd = -1;
struct TimerRequest *timermsg = NULL;
struct MsgPort *printmsgport = ami_print_get_msgport();
ULONG printsig = 0;
ULONG helpsignal = ami_help_signal();
if(printmsgport) printsig = 1L << printmsgport->mp_SigBit;
ULONG signalmask = winsignal | appsig | schedulesig | rxsig | printsig | applibsig | ctrlcsig | helpsignal;
uint32 signalmask = winsignal | appsig | schedulesig | rxsig |
printsig | applibsig | helpsignal;
signal = Wait(signalmask);
if ((fetcher_fdset(&read_fd_set, &write_fd_set, &except_fd_set, &max_fd) == NSERROR_OK) &&
(max_fd != -1)) {
/* max_fd is the highest fd in use, but waitselect() needs to know how many
* are in use, so we add 1. */
int ws = waitselect(max_fd + 1, &read_fd_set, &write_fd_set, &except_fd_set,
NULL, (unsigned int *)&signalmask);
signal = signalmask;
/* \todo Fix Ctrl-C handling.
* WaitSelect() from bsdsocket.library returns -1 if the task was signalled
* with a Ctrl-C. waitselect() from newlib.library does not - instead
* the task terminates (rather than be signalled) when it receives a Ctrl-C.
* Adding the Ctrl-C signal to our user signal mask causes a Ctrl-C to occur
* immediately. */
} else {
/* If fetcher_fdset fails or no network activity, do it the old fashioned way. */
signalmask |= ctrlcsig;
signal = Wait(signalmask);
}
if(signal & winsignal)
ami_handle_msg();