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Add a macro mtx_intr_enable() to alter a spin lock such that interrupts

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will be enabled when it is released.
This commit is contained in:
John Baldwin 2001-02-10 02:15:18 +00:00
parent d2712eafa7
commit e109e2b4cd
4 changed files with 4 additions and 0 deletions
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1
sys/alpha/include/mutex.h
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@ -48,6 +48,7 @@
#define mtx_legal2block() \
((alpha_pal_rdps() & ALPHA_PSL_IPL_MASK) == ALPHA_PSL_IPL_0)
#define mtx_intr_enable(mutex) (mutex)->mtx_saveintr = ALPHA_PSL_IPL_0
/*
* Assembly macros (for internal use only)

1
sys/amd64/include/mutex.h
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@ -49,6 +49,7 @@ extern struct mtx clock_lock;
"mpp->mtx_saveintr & PSL_I")
#define mtx_legal2block() (read_eflags() & PSL_I)
#define mtx_intr_enable(mutex) (mutex)->mtx_saveintr |= PSL_I
/*
* Assembly macros (for internal use only)

1
sys/i386/include/mutex.h
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@ -49,6 +49,7 @@ extern struct mtx clock_lock;
"mpp->mtx_saveintr & PSL_I")
#define mtx_legal2block() (read_eflags() & PSL_I)
#define mtx_intr_enable(mutex) (mutex)->mtx_saveintr |= PSL_I
/*
* Assembly macros (for internal use only)

1
sys/powerpc/include/mutex.h
View File

@ -48,6 +48,7 @@
#define mtx_legal2block() \
((alpha_pal_rdps() & ALPHA_PSL_IPL_MASK) == ALPHA_PSL_IPL_0)
#define mtx_intr_enable(mutex) (mutex)->mtx_saveintr = ALPHA_PSL_IPL_0
/*
* Assembly macros (for internal use only)