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e1a191a8ca
* _scm.h: if HAVE_RESTARTS is defined then don't use a SYSCALL loop. * posix.c (scm_uname): interpret only negative values as an error. Solaris normally returns a positive value. * script.c (scm_compile_shell_switches): if we are not going into an interactive repl, set scm_mask_ints to zero so that asyncs can run. * simpos.c (scm_system): don't ignore/unignore signals around the "system" call. * posix.c (scm_open_pipe): don't ignore/unignore signals around the "popen" call. * init.c (scm_boot_guile_1): don't call scm_init_signals, it's done in boot-9.scm instead. * scmsigs.c, async.c: Major rewriting of signal handling code. (scm_sigaction): new procedure. (scm_sleep): don't wrap sleep in SCM_SYSCALL, it would mess up the timing. (scm_raise): return unspecified, throw error on failure. * boot-9.scm: signal-handler, alarm-thunk: removed. don't define ticks-interrupt etc. top-repl: install signal handlers for SIGINT, SIGFPE, SIGSEGV, SIGBUS during call to scm-style-repl. * acconfig.h: mention HAVE_RESTARTS. * configure.in: check for sigaction and restartable system calls.
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/* acconfig.h --- documentation for symbols possibly defined in scmconfig.h
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Jim Blandy <jimb@cyclic.com> --- August 1996 */
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/* Define these two if you want support for debugging of Scheme
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programs. */
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#undef DEBUG_EXTENSIONS
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#undef READER_EXTENSIONS
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/* Define this if your system has a way to set a stdio stream's file
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descriptor. */
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#undef FD_SETTER
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/* Set this to the name of a field in FILE which contains the number
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of buffered characters waiting to be read. */
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#undef FILE_CNT_FIELD
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/* Define this if your stdio has _gptr and _egptr fields which can
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be compared to give the number of buffered characters waiting to
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be read. */
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#undef FILE_CNT_GPTR
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/* Define this if your stdio has _IO_read_ptr and _IO_read_end fields
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which can be compared to give the number of buffered characters
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waiting to be read. */
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#undef FILE_CNT_READPTR
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/* Define this if your system defines struct linger, for use with the
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getsockopt and setsockopt system calls. */
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#undef HAVE_STRUCT_LINGER
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/* Define this if floats are the same size as longs. */
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#undef SCM_SINGLES
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/* Define this if a callee's stack frame has a higher address than the
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caller's stack frame. On most machines, this is not the case. */
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#undef SCM_STACK_GROWS_UP
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/* Define this if <utime.h> doesn't define struct utimbuf unless
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_POSIX_SOURCE is #defined. See GUILE_STRUCT_UTIMBUF in aclocal.m4. */
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#undef UTIMBUF_NEEDS_POSIX
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/* Define this if we should #include <libc.h> when we've already
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#included <unistd.h>. On some systems, they conflict, and libc.h
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should be omitted. See GUILE_HEADER_LIBC_WITH_UNISTD in
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aclocal.m4. */
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#undef LIBC_H_WITH_UNISTD_H
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/* Define these to indicate the current version of Guile. These
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values are supposed to be supplied by the configuration system. */
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#undef GUILE_MAJOR_VERSION
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#undef GUILE_MINOR_VERSION
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#undef GUILE_VERSION
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/* Define this to include various undocumented functions used to debug
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the Guile library itself. */
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#undef GUILE_DEBUG
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/* Define if using cooperative multithreading. */
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#undef USE_COOP_THREADS
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/* Define if using "FSU" pthreads. */
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#undef USE_FSU_PTHREADS
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/* Define if using MIT pthreads. */
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#undef USE_MIT_PTHREADS
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/* Define if using PCthreads pthreads. */
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#undef USE_PCTHREADS_PTHREADS
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/* Define if using any sort of threads. */
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#undef USE_THREADS
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/* Define if you want support for dynamic linking. */
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#undef DYNAMIC_LINKING
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/* Define if the operating system can restart system calls. */
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#undef HAVE_RESTARTS
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