Overview
| Comment: | Small optimization for of_once() |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
47f08207d740a230884e4a9309544dec |
| User & Date: | js on 2019-08-18 20:04:45 |
| Other Links: | manifest | tags |
Context
|
2019-08-18
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| 21:32 | configure: Enable threads on AmigaOS and MorphOS check-in: beb77aaea1 user: js tags: trunk | |
| 20:04 | Small optimization for of_once() check-in: 47f08207d7 user: js tags: trunk | |
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2019-08-11
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| 18:56 | Support sockets in multiple threads on AmigaOS check-in: a40f3fc829 user: js tags: trunk | |
Changes
Modified src/OFFile.m from [eb447a10e1] to [e53f8eae67].
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74 75 76 77 78 79 80 | #ifndef O_EXLOCK # define O_EXLOCK 0 #endif #ifndef OF_AMIGAOS # define closeHandle(h) close(h) #else | | | 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 |
#ifndef O_EXLOCK
# define O_EXLOCK 0
#endif
#ifndef OF_AMIGAOS
# define closeHandle(h) close(h)
#else
static struct of_file_handle {
of_file_handle_t previous, next;
BPTR handle;
bool append;
} *firstHandle = NULL;
static void
closeHandle(of_file_handle_t handle)
|
| ︙ | ︙ |
Modified src/once.m from [4811cc42bf] to [6a54846aa0].
| ︙ | ︙ | |||
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 |
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "once.h"
#ifdef OF_AMIGAOS
# include <proto/exec.h>
#endif
#if defined(OF_HAVE_THREADS) && defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
# import "mutex.h"
#endif
void
of_once(of_once_t *control, void (*func)(void))
{
#if !defined(OF_HAVE_THREADS)
if (*control == 0) {
| > > < > > > > > > > > > > > | | > > > > > | > > | > > > > | 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 |
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <stdbool.h>
#import "once.h"
#ifdef OF_AMIGAOS
# include <proto/exec.h>
#endif
#if defined(OF_HAVE_THREADS) && defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
# import "mutex.h"
#endif
void
of_once(of_once_t *control, void (*func)(void))
{
#if !defined(OF_HAVE_THREADS)
if (*control == 0) {
func();
*control = 1;
}
#elif defined(OF_HAVE_PTHREADS)
pthread_once(control, func);
#elif defined(OF_HAVE_ATOMIC_OPS)
/* Avoid atomic operations in case it's already done. */
if (*control == 2)
return;
if (of_atomic_int_cmpswap(control, 0, 1)) {
func();
of_memory_barrier();
of_atomic_int_inc(control);
} else
while (*control == 1)
of_thread_yield();
#elif defined(OF_AMIGAOS)
bool run = false;
/* Avoid Forbid() in case it's already done. */
if (*control == 2)
return;
Forbid();
switch (*control) {
case 0:
*control = 1;
run = true;
break;
case 1:
while (*control == 1) {
Permit();
Forbid();
}
}
Permit();
if (run) {
func();
*control = 2;
}
#else
# error No of_once available
#endif
}
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