methods and datastructures for catching the user CTRL-C interrupt
Definition in file interrupt.c.
#include <assert.h>
#include <sys/types.h>
#include <stdlib.h>
#include <signal.h>
#include "scip/def.h"
#include "blockmemshell/memory.h"
#include "scip/interrupt.h"
Go to the source code of this file.
Functions | |
static void | interruptHandler (int signum) |
SCIP_RETCODE | SCIPinterruptCreate (SCIP_INTERRUPT **interrupt) |
void | SCIPinterruptFree (SCIP_INTERRUPT **interrupt) |
void | SCIPinterruptCapture (SCIP_INTERRUPT *interrupt) |
void | SCIPinterruptRelease (SCIP_INTERRUPT *interrupt) |
SCIP_Bool | SCIPinterrupted (void) |
void | SCIPresetInterrupted (void) |
Variables | |
static volatile int | ninterrupts = 0 |
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static |
interrupt handler for CTRL-C interrupts
signum | interrupt signal number |
Definition at line 59 of file interrupt.c.
References ninterrupts.
Referenced by SCIPinterruptCapture().
SCIP_RETCODE SCIPinterruptCreate | ( | SCIP_INTERRUPT ** | interrupt | ) |
creates a CTRL-C interrupt data
interrupt | pointer to store the CTRL-C interrupt data |
Definition at line 76 of file interrupt.c.
References BMSallocMemory, SCIP_ALLOC, and SCIP_OKAY.
Referenced by doScipCreate().
void SCIPinterruptFree | ( | SCIP_INTERRUPT ** | interrupt | ) |
frees a CTRL-C interrupt data
interrupt | pointer to the CTRL-C interrupt data |
Definition at line 89 of file interrupt.c.
References BMSfreeMemory.
Referenced by SCIPfree().
void SCIPinterruptCapture | ( | SCIP_INTERRUPT * | interrupt | ) |
captures the CTRL-C interrupt to call the SCIP's own interrupt handler
interrupt | CTRL-C interrupt data |
Definition at line 99 of file interrupt.c.
References interruptHandler(), ninterrupts, SCIP_Interrupt::nuses, and SCIP_Interrupt::oldsigaction.
Referenced by SCIPpresolve(), and SCIPsolve().
void SCIPinterruptRelease | ( | SCIP_INTERRUPT * | interrupt | ) |
releases the CTRL-C interrupt and restores the old interrupt handler
interrupt | CTRL-C interrupt data |
Definition at line 128 of file interrupt.c.
References SCIP_Interrupt::nuses, and SCIP_Interrupt::oldsigaction.
Referenced by SCIPpresolve(), and SCIPsolve().
SCIP_Bool SCIPinterrupted | ( | void | ) |
returns whether the user interrupted by pressing CTRL-C
Definition at line 147 of file interrupt.c.
References ninterrupts.
Referenced by SCIPpressedCtrlC(), SCIPsetModifiedDefaultSettingsIpopt(), and SCIPsolveIsStopped().
void SCIPresetInterrupted | ( | void | ) |
resets the number of interrupts to 0
Definition at line 155 of file interrupt.c.
References ninterrupts.
Referenced by SCIPsolveIsStopped().
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static |
static variable counting the number of CTRL-C interrupts
Definition at line 34 of file interrupt.c.
Referenced by interruptHandler(), SCIPinterruptCapture(), SCIPinterrupted(), and SCIPresetInterrupted().