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Use sig_atomic_t for FP_error when using FP exceptions. (#220)

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`sig_atomic_t` is usually `int`, but is the typedef that one
should use for flags written to from a signal handler.
This commit is contained in:
Bruce Mitchener
2021-01-14 00:52:53 +07:00
committed by GitHub
parent d3efbc3441
commit 62a8d400ce
2 changed files with 3 additions and 2 deletions
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3
inc/medleyfp.h
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@@ -27,7 +27,8 @@
-------------------------------------------------- */ -------------------------------------------------- */
#ifdef FLTINT #ifdef FLTINT
volatile extern int FP_error; #include <signal.h>
extern volatile sig_atomic_t FP_error;
/* Note that a compiler may very likely move code around the arithmetic /* Note that a compiler may very likely move code around the arithmetic
operation, causing this test (set by an interrupt handler) to be operation, causing this test (set by an interrupt handler) to be

2
src/timer.c
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@@ -644,7 +644,7 @@ void int_unblock() {
/************************************************************************/ /************************************************************************/
/* The global used to signal floating-point errors */ /* The global used to signal floating-point errors */
volatile int FP_error = 0; volatile sig_atomic_t FP_error = 0;
void int_fp_service(int sig, siginfo_t *info, void *context) void int_fp_service(int sig, siginfo_t *info, void *context)
{ {