git.sur5r.net Git - openldap/blob - include/ac/signal.h

   1 /* Generic signal.h */
   2
   3 #ifndef _AC_SIGNAL_H
   4 #define _AC_SIGNAL_H
   5
   6 #include <signal.h>
   7
   8 #ifdef HAVE_SIGSET
   9 #define SIGNAL sigset
  10 #else
  11 #define SIGNAL signal
  12 #endif
  13
  14 #if !defined( LDAP_SIGUSR1 ) || !defined( LDAP_SIGUSR2 )
  15 #undef LDAP_SIGUSR1
  16 #undef LDAP_SIGUSR2
  17
  18 #       ifndef HAVE_LINUX_THREADS
  19 #               define LDAP_SIGUSR1     SIGUSR1
  20 #               define LDAP_SIGUSR2     SIGUSR2
  21
  22 #       else
  23                 /*
  24                 LinuxThreads implemented unfortunately uses the only
  25                 two signals reserved for user applications.  This forces
  26                 OpenLDAP to use, hopefullly unused, signals reserved
  27                 for other uses.
  28                 */
  29
  30 #               if defined( SIGSTKFLT )
  31 #                       define LDAP_SIGUSR1     SIGSTKFLT
  32 #               elif defined ( SIGSYS )
  33 #                       define LDAP_SIGUSR1     SIGSYS
  34 #               endif
  35
  36 #               if defined( SIGUNUSED )
  37 #                       define LDAP_SIGUSR2     SIGUNUSED
  38 #               elif defined ( SIGINFO )
  39 #                       define LDAP_SIGUSR2     SIGINFO
  40 #               elif defined ( SIGEMT )
  41 #                       define LDAP_SIGUSR2     SIGEMT
  42 #               endif
  43 #       endif
  44 #endif
  45
  46 #endif /* _AC_SIGNAL_H */