mirror of
https://github.com/reactos/reactos.git
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129 lines
2.3 KiB
C
129 lines
2.3 KiB
C
#include <precomp.h>
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#include "include/internal/wine/msvcrt.h"
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static sig_element signal_list[] =
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{
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{ SIGINT, "CTRL+C",SIG_DFL },
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{ SIGILL, "Illegal instruction",SIG_DFL },
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{ SIGFPE, "Floating-point exception",SIG_DFL },
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{ SIGSEGV, "Illegal storage access",SIG_DFL },
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{ SIGTERM, "Termination request",SIG_DFL },
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{ SIGBREAK, "CTRL+BREAK",SIG_DFL },
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{ SIGABRT, "Abnormal termination",SIG_DFL }
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};
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//int nsignal = 21;
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/*
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* @implemented
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*/
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//void ( *signal( int sig, void (__cdecl *func) ( int sig [, int subcode ] )) ) ( int sig );
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__p_sig_fn_t signal(int sig, __p_sig_fn_t func)
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{
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__p_sig_fn_t temp;
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unsigned int i;
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switch (sig)
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{
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case SIGINT:
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case SIGILL:
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case SIGFPE:
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case SIGSEGV:
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case SIGTERM:
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case SIGBREAK:
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case SIGABRT:
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break;
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default:
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_set_errno(EINVAL);
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return SIG_ERR;
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}
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// check with IsBadCodePtr
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if ( (uintptr_t)func < 4096 && func != SIG_DFL && func != SIG_IGN)
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{
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_set_errno(EINVAL);
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return SIG_ERR;
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}
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for(i=0; i < sizeof(signal_list)/sizeof(signal_list[0]); i++)
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{
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if ( signal_list[i].signal == sig )
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{
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temp = signal_list[i].handler;
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signal_list[i].handler = func;
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return temp;
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}
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}
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/* should be impossible to get here */
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_set_errno(EINVAL);
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return SIG_ERR;
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}
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/*
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* @implemented
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*/
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int
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raise(int sig)
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{
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__p_sig_fn_t temp = 0;
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unsigned int i;
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switch (sig)
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{
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case SIGINT:
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case SIGILL:
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case SIGFPE:
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case SIGSEGV:
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case SIGTERM:
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case SIGBREAK:
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case SIGABRT:
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break;
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default:
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//FIXME: set last err?
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return -1;
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}
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// if(sig <= 0)
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// return -1;
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// if(sig > SIGMAX)
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// return -1;
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for(i=0;i<sizeof(signal_list)/sizeof(signal_list[0]);i++)
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{
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if ( signal_list[i].signal == sig )
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{
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temp = signal_list[i].handler;
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break;
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}
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}
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if(temp == SIG_IGN)// || (sig == SIGQUIT && temp == (_p_sig_fn_t)SIG_DFL))
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return 0; /* Ignore it */
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if(temp == SIG_DFL)
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_default_handler(sig); /* this does not return */
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else
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temp(sig);
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return 0;
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}
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void _default_handler(int sig)
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{
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_exit(3);
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}
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