| @node signal.h |
| @section @file{signal.h} |
| |
| POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html} |
| |
| Gnulib module: signal-h |
| |
| Portability problems fixed by Gnulib: |
| @itemize |
| @item |
| @code{volatile sig_atomic_t} is rejected by older compilers on some |
| platforms: |
| AIX. |
| @item |
| @code{sigset_t} is missing on some platforms: |
| MSVC 14. |
| @item |
| @code{sigset_t} is only declared in <sys/types.h> on some platforms: |
| mingw. |
| @item |
| @code{struct sigaction} and @code{siginfo_t} are missing on some |
| platforms: |
| mingw, MSVC 14. |
| @item |
| The type @code{pid_t} is not defined on some platforms: |
| MSVC 14. |
| @item |
| The signal @code{SIGPIPE} is not defined on some platforms: |
| mingw, MSVC 14. |
| @item |
| The macros @code{SA_RESETHAND} and @code{SA_RESTART} are not defined |
| on some platforms: |
| NonStop. |
| @item |
| The type @code{sighandler_t} (a GNU extension) is not defined on most non-glibc |
| platforms: |
| Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, |
| IRIX 6.5, Solaris 11.4, Cygwin, mingw, MSVC 14. |
| @end itemize |
| |
| Portability problems not fixed by Gnulib: |
| @itemize |
| @item |
| Many signals are not defined on some platforms: |
| mingw, MSVC 14. |
| @item |
| The macro @code{SIGBUS} is set to the same value as @code{SIGSEGV}, |
| rather than being a distinct signal, on some platforms: |
| Haiku. |
| @end itemize |