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Bug report and fix from Jay Kulpinski <jskulpin@eng01.gdds.com> where

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sigemptyset(&old_mask) needed to be added on glibc2 systems.  Ian
Lance Taylor pointed out that sigemptyset() is portable so Joel removed
all conditionals around calls to sigemptyset().
This commit is contained in:
Joel Sherrill
1999-10-05 13:08:41 +00:00
parent 19ca7978a6
commit d83c39dc36
2 changed files with 4 additions and 6 deletions
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5
c/src/exec/score/cpu/unix/cpu.c
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@@ -47,7 +47,7 @@ void _CPU_Signal_initialize(void);
void _CPU_Stray_signal(int);
void _CPU_ISR_Handler(int);
static sigset_t _CPU_Signal_mask;
static sigset_t _CPU_Signal_mask;
static Context_Control_overlay
_CPU_Context_Default_with_ISRs_enabled CPU_STRUCTURE_ALIGNMENT;
static Context_Control_overlay
@@ -248,9 +248,7 @@ unsigned32 _CPU_ISR_Get_level( void )
{
sigset_t old_mask;
#if defined(__linux__)
sigemptyset( &old_mask );
#endif
sigprocmask(SIG_BLOCK, 0, &old_mask);
if (memcmp((void *)&posix_empty_mask, (void *)&old_mask, sizeof(sigset_t)))
@@ -657,6 +655,7 @@ unsigned32 _CPU_ISR_Disable_support(void)
int status;
sigset_t old_mask;
sigemptyset( &old_mask );
status = sigprocmask(SIG_BLOCK, &_CPU_Signal_mask, &old_mask);
if ( status )
_Internal_error_Occurred(

5
cpukit/score/cpu/unix/cpu.c
View File

@@ -47,7 +47,7 @@ void _CPU_Signal_initialize(void);
void _CPU_Stray_signal(int);
void _CPU_ISR_Handler(int);
static sigset_t _CPU_Signal_mask;
static sigset_t _CPU_Signal_mask;
static Context_Control_overlay
_CPU_Context_Default_with_ISRs_enabled CPU_STRUCTURE_ALIGNMENT;
static Context_Control_overlay
@@ -248,9 +248,7 @@ unsigned32 _CPU_ISR_Get_level( void )
{
sigset_t old_mask;
#if defined(__linux__)
sigemptyset( &old_mask );
#endif
sigprocmask(SIG_BLOCK, 0, &old_mask);
if (memcmp((void *)&posix_empty_mask, (void *)&old_mask, sizeof(sigset_t)))
@@ -657,6 +655,7 @@ unsigned32 _CPU_ISR_Disable_support(void)
int status;
sigset_t old_mask;
sigemptyset( &old_mask );
status = sigprocmask(SIG_BLOCK, &_CPU_Signal_mask, &old_mask);
if ( status )
_Internal_error_Occurred(