aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/libf2c/signal1.h
blob: a383774b82d2f53661d1119f093aec1e2409b401 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* You may need to adjust the definition of signal1 to supply a */
/* cast to the correct argument type.  This detail is system- and */
/* compiler-dependent.   The #define below assumes signal.h declares */
/* type SIG_PF for the signal function's second argument. */

/* For some C++ compilers, "#define Sigarg_t ..." may be appropriate. */

#include <signal.h>

#ifndef Sigret_t
#define Sigret_t void
#endif
#ifndef Sigarg_t
#ifdef KR_headers
#define Sigarg_t
#else
#define Sigarg_t int
#endif
#endif /*Sigarg_t*/

#ifdef USE_SIG_PF	/* compile with -DUSE_SIG_PF under IRIX */
#define sig_pf SIG_PF
#else
typedef Sigret_t (*sig_pf)(Sigarg_t);
#endif

#define signal1(a,b) signal(a,(sig_pf)b)

#ifdef __cplusplus
#define Sigarg ...
#define Use_Sigarg
#else
#define Sigarg Int n
#define Use_Sigarg n = n	/* shut up compiler warning */
#endif