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Diffstat (limited to '')
| -rw-r--r-- | src/include/libpq/pqsignal.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/include/libpq/pqsignal.h b/src/include/libpq/pqsignal.h new file mode 100644 index 0000000..41227a3 --- /dev/null +++ b/src/include/libpq/pqsignal.h @@ -0,0 +1,42 @@ +/*------------------------------------------------------------------------- + * + * pqsignal.h + * Backend signal(2) support (see also src/port/pqsignal.c) + * + * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/libpq/pqsignal.h + * + *------------------------------------------------------------------------- + */ +#ifndef PQSIGNAL_H +#define PQSIGNAL_H + +#include <signal.h> + +#ifndef WIN32 +#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL) +#else +/* Emulate POSIX sigset_t APIs on Windows */ +typedef int sigset_t; + +extern int pqsigsetmask(int mask); + +#define PG_SETMASK(mask) pqsigsetmask(*(mask)) +#define sigemptyset(set) (*(set) = 0) +#define sigfillset(set) (*(set) = ~0) +#define sigaddset(set, signum) (*(set) |= (sigmask(signum))) +#define sigdelset(set, signum) (*(set) &= ~(sigmask(signum))) +#endif /* WIN32 */ + +extern PGDLLIMPORT sigset_t UnBlockSig; +extern PGDLLIMPORT sigset_t BlockSig; +extern PGDLLIMPORT sigset_t StartupBlockSig; + +extern void pqinitmask(void); + +/* pqsigfunc is declared in src/include/port.h */ +extern pqsigfunc pqsignal_pm(int signo, pqsigfunc func); + +#endif /* PQSIGNAL_H */ |