v7 man page for ddi_can_receive_sig

Query: ddi_can_receive_sig

OS: v7

Section: 9f

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

ddi_can_receive_sig(9F) 				   Kernel Functions for Drivers 				   ddi_can_receive_sig(9F)

NAME
ddi_can_receive_sig - Test for ability to receive signals SYNOPSIS
#include <sys/ddi.h> #include <sys/sunddi.h> boolean_t ddi_can_receive_sig(void); INTERFACE LEVEL
Solaris DDI specific (Solaris DDI). PARAMETERS
None. DESCRIPTION
The ddi_can_receive_sig() function returns a boolean value indicating whether the current thread can receive signals sent by kill(2). If the return value is B_FALSE, then the calling thread cannot receive signals, and any call to qwait_sig(9F), cv_wait_sig(9F), or cv_timedwait_sig(9F) implicitly becomes qwait(9F), cv_wait(9F), or cv_timedwait(9F), respectively. Drivers that can block indefinitely awaiting an event should use this function to determine if additional means (such as timeout(9F)) may be necessary to avoid creating unkil- lable threads. RETURN VALUES
B_FALSE The calling thread is in a state in which signals cannot be received. For example, the thread is not associated with a user process or is in the midst of exit(2) handling. B_TRUE The calling thread may receive a signal while blocked on a condition variable. Note that this function does not check to determine whether signals are blocked (see sigprocmask(2)). CONTEXT
The ddi_can_receive_sig() function may be called from user, kernel, or interrupt context. SEE ALSO
close(9E), cv_wait(9F), qwait(9F) SunOS 5.10 15 Dec 2003 ddi_can_receive_sig(9F)
Related Man Pages
qwait_sig(9f) - opensolaris
qwait(9f) - sunos
qwait_sig(9f) - centos
qwait(9f) - minix
qwait(9f) - linux
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