ReactOS  0.4.14-dev-583-g2a1ba2c
signal.c
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1 #include <precomp.h>
3 
5  {
6  { SIGINT, "CTRL+C",SIG_DFL },
7  { SIGILL, "Illegal instruction",SIG_DFL },
8  { SIGFPE, "Floating-point exception",SIG_DFL },
9  { SIGSEGV, "Illegal storage access",SIG_DFL },
10  { SIGTERM, "Termination request",SIG_DFL },
11  { SIGBREAK, "CTRL+BREAK",SIG_DFL },
12  { SIGABRT, "Abnormal termination",SIG_DFL }
13  };
14 
15 //int nsignal = 21;
16 
17 /*
18  * @implemented
19  */
20 //void ( *signal( int sig, void (__cdecl *func) ( int sig [, int subcode ] )) ) ( int sig );
21 
22 
24 {
26  unsigned int i;
27 
28  switch (sig)
29  {
30  case SIGINT:
31  case SIGILL:
32  case SIGFPE:
33  case SIGSEGV:
34  case SIGTERM:
35  case SIGBREAK:
36  case SIGABRT:
37  break;
38 
39  default:
41  return SIG_ERR;
42  }
43 
44  // check with IsBadCodePtr
45  if ( (uintptr_t)func < 4096 && func != SIG_DFL && func != SIG_IGN)
46  {
48  return SIG_ERR;
49  }
50 
51  for(i=0; i < sizeof(signal_list)/sizeof(signal_list[0]); i++)
52  {
53  if ( signal_list[i].signal == sig )
54  {
57  return temp;
58  }
59  }
60 
61  /* should be impossible to get here */
63  return SIG_ERR;
64 }
65 
66 
67 /*
68  * @implemented
69  */
70 int
71 raise(int sig)
72 {
73  __p_sig_fn_t temp = 0;
74  unsigned int i;
75 
76  switch (sig)
77  {
78  case SIGINT:
79  case SIGILL:
80  case SIGFPE:
81  case SIGSEGV:
82  case SIGTERM:
83  case SIGBREAK:
84  case SIGABRT:
85  break;
86 
87  default:
88  //FIXME: set last err?
89  return -1;
90  }
91 
92 
93  // if(sig <= 0)
94  // return -1;
95  // if(sig > SIGMAX)
96  // return -1;
97 
98  for(i=0;i<sizeof(signal_list)/sizeof(signal_list[0]);i++)
99  {
100  if ( signal_list[i].signal == sig )
101  {
103  break;
104  }
105  }
106 
107  if(temp == SIG_IGN)// || (sig == SIGQUIT && temp == (_p_sig_fn_t)SIG_DFL))
108  return 0; /* Ignore it */
109 
110  if(temp == SIG_DFL)
111  _default_handler(sig); /* this does not return */
112  else
113  temp(sig);
114 
115  return 0;
116 }
117 
118 
119 
120 void _default_handler(int sig)
121 {
122  _exit(3);
123 }
124 
125 
126 
127 
128 
errno_t __cdecl _set_errno(_In_ int _Value)
GLenum func
Definition: glext.h:6028
#define SIGABRT
Definition: signal.h:28
static sig_element signal_list[]
Definition: signal.c:4
Definition: arc.h:39
#define SIGBREAK
Definition: signal.h:40
#define SIGILL
Definition: signal.h:25
#define SIG_ERR
Definition: signal.h:52
#define SIGINT
Definition: signal.h:23
#define SIG_DFL
Definition: signal.h:47
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
void _default_handler(int sig)
Definition: signal.c:120
unsigned int uintptr_t
Definition: crtdefs.h:300
void _exit(int exitcode)
Definition: _exit.c:25
#define SIGFPE
Definition: signal.h:30
#define SIGSEGV
Definition: signal.h:33
#define SIGTERM
Definition: signal.h:39
static calc_node_t temp
Definition: rpn_ieee.c:38
__p_sig_fn_t handler
Definition: msvcrt.h:148
#define SIG_IGN
Definition: signal.h:48
__p_sig_fn_t signal(int sig, __p_sig_fn_t func)
Definition: signal.c:23
void(* __p_sig_fn_t)(int)
Definition: signal.h:45