diff options
Diffstat (limited to 'pr/include/md/_macos.h')
| -rw-r--r-- | pr/include/md/_macos.h | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/pr/include/md/_macos.h b/pr/include/md/_macos.h index 2cc737d7..caf73cb9 100644 --- a/pr/include/md/_macos.h +++ b/pr/include/md/_macos.h @@ -120,11 +120,10 @@ struct _MDFileDesc { /* Server sockets: listen bit tells the notifier func what to do */ PRBool doListen; - + _MDSocketCallerInfo misc; _MDSocketCallerInfo read; _MDSocketCallerInfo write; - _MDSocketCallerInfo poll; }; /* @@ -138,6 +137,23 @@ struct _MDFileDesc { ** Interrupts Related definitions */ +#define _MD_GET_INTSOFF() (_pr_intsOff) + +#define _MD_INTSOFF(_is) \ + PR_BEGIN_MACRO \ + ENTER_CRITICAL_REGION(); \ + (_is) = _PR_MD_GET_INTSOFF(); \ + _PR_MD_SET_INTSOFF(1); \ + LEAVE_CRITICAL_REGION(); \ + PR_END_MACRO + +#if TARGET_CARBON +extern void _MD_SetIntsOff(PRInt32 ints); +#define _MD_SET_INTSOFF(_val) _MD_SetIntsOff(_val) +#else /* not TARGET_CARBON */ +#define _MD_SET_INTSOFF(_val) (_pr_intsOff = _val) +#endif /* TARGET_CARBON */ + #define _MD_START_INTERRUPTS _MD_StartInterrupts #define _MD_STOP_INTERRUPTS _MD_StopInterrupts #define _MD_BLOCK_CLOCK_INTERRUPTS() @@ -238,6 +254,8 @@ extern PRStatus _MD_InitThread(PRThread *thread); /* ** Initialize the thread context preparing it to execute _main. +** *sp = 0 zeros out the sp for the first stack frame so that +** stack walking code can find the top of the stack. */ #if defined(powerc) || defined(__powerc) #define _MD_INIT_CONTEXT(_thread, _sp, _main, _status) \ @@ -248,6 +266,7 @@ extern PRStatus _MD_InitThread(PRThread *thread); *((PRBool *)_status) = PR_TRUE; \ (void) setjmp(jb); \ sp = INIT_STACKPTR(_sp); \ + *sp = 0; \ (_MD_GET_SP(_thread)) = (long) sp; \ tvect = (unsigned long *)_main; \ (_MD_GET_PC(_thread)) = (int) *tvect; \ @@ -627,4 +646,36 @@ extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap); extern void SetLogFileTypeCreator(const char *logFile); extern int _MD_mac_get_nonblocking_connect_error(PRInt32 osfd); + +/* + * Critical section support + */ + +#define MAC_CRITICAL_REGIONS TARGET_CARBON + +#if MAC_CRITICAL_REGIONS + +extern void InitCriticalRegion(); +extern void TermCriticalRegion(); + +extern void EnterCritialRegion(); +extern void LeaveCritialRegion(); + +#define INIT_CRITICAL_REGION() InitCriticalRegion() +#define TERM_CRITICAL_REGION() TermCriticalRegion() + +#define ENTER_CRITICAL_REGION() EnterCritialRegion() +#define LEAVE_CRITICAL_REGION() LeaveCritialRegion() + +#else + +#define INIT_CRITICAL_REGION() +#define TERM_CRITICAL_REGION() + +#define ENTER_CRITICAL_REGION() +#define LEAVE_CRITICAL_REGION() + +#endif + + #endif /* prmacos_h___ */ |