| 1 | ?RCS: $Id: d_sigvec.U,v 3.0.1.1 1997/02/28 15:45:37 ram Exp $ |
| 2 | ?RCS: |
| 3 | ?RCS: Copyright (c) 1991-1993, Raphael Manfredi |
| 4 | ?RCS: |
| 5 | ?RCS: You may redistribute only under the terms of the Artistic Licence, |
| 6 | ?RCS: as specified in the README file that comes with the distribution. |
| 7 | ?RCS: You may reuse parts of this distribution only within the terms of |
| 8 | ?RCS: that same Artistic Licence; a copy of which may be found at the root |
| 9 | ?RCS: of the source tree for dist 3.0. |
| 10 | ?RCS: |
| 11 | ?RCS: $Log: d_sigvec.U,v $ |
| 12 | ?RCS: Revision 3.0.1.1 1997/02/28 15:45:37 ram |
| 13 | ?RCS: patch61: there is now a separate routine for sigaction() |
| 14 | ?RCS: |
| 15 | ?RCS: Revision 3.0 1993/08/18 12:07:24 ram |
| 16 | ?RCS: Baseline for dist 3.0 netwide release. |
| 17 | ?RCS: |
| 18 | ?X: d_sigvec.U, from d_ftime.U 1.0 |
| 19 | ?X: |
| 20 | ?MAKE:d_sigvec d_sigvectr d_sigintrp: Csym Inlibc Setvar |
| 21 | ?MAKE: -pick add $@ %< |
| 22 | ?S:d_sigvec: |
| 23 | ?S: This variable conditionally defines the HAS_SIGVEC symbol, which indicates |
| 24 | ?S: that BSD reliable signals are supported. |
| 25 | ?S:. |
| 26 | ?S:d_sigvectr: |
| 27 | ?S: This variable conditionally defines the HAS_SIGVECTOR symbol, which |
| 28 | ?S: indicates that the sigvec() routine is called sigvector() instead, for |
| 29 | ?S: reasons known only to Hewlett-Packard. |
| 30 | ?S:. |
| 31 | ?S:d_sigintrp: |
| 32 | ?S: This variable conditionally defines the HAS_SIGINTRP symbol, which |
| 33 | ?S: indicates that the siginterrupt() routine is available. |
| 34 | ?S:. |
| 35 | ?C:HAS_SIGVEC (SIGVEC): |
| 36 | ?C: This symbol, if defined, indicates that BSD reliable signals are |
| 37 | ?C: supported. |
| 38 | ?C:. |
| 39 | ?C:HAS_SIGVECTOR (SIGVECTOR): |
| 40 | ?C: This symbol, if defined, indicates that the sigvec() routine is called |
| 41 | ?C: sigvector() instead, and that sigspace() is provided instead of |
| 42 | ?C: sigstack(). This is probably only true for HP-UX. |
| 43 | ?C:. |
| 44 | ?C:HAS_SIGINTRP (SIGINTRP): |
| 45 | ?C: This symbol, if defined, indicates that the siginterrupt() routine |
| 46 | ?C: is available. |
| 47 | ?C:. |
| 48 | ?H:#$d_sigvec HAS_SIGVEC /**/ |
| 49 | ?H:#$d_sigvectr HAS_SIGVECTOR /**/ |
| 50 | ?H:#$d_sigintrp HAS_SIGINTRP /**/ |
| 51 | ?H:. |
| 52 | ?T:val |
| 53 | ?LINT:set d_sigvec d_sigintrp |
| 54 | echo " " |
| 55 | @if d_sigvectr || d_sigvec || HAS_SIGVEC || HAS_SIGVECTOR |
| 56 | : see if sigvector exists -- since sigvec will match the substring |
| 57 | if set sigvector val -f d_sigvectr; eval $csym; $val; then |
| 58 | echo 'sigvector() found--you must be running HP-UX.' >&4 |
| 59 | val="$define"; set d_sigvectr; eval $setvar |
| 60 | val="$define"; set d_sigvec; eval $setvar |
| 61 | else |
| 62 | : try the original name |
| 63 | d_sigvectr="$undef" |
| 64 | if set sigvec val -f d_sigvec; eval $csym; $val; then |
| 65 | echo 'sigvec() found.' >&4 |
| 66 | val="$define"; set d_sigvec; eval $setvar |
| 67 | else |
| 68 | echo 'sigvec() not found--race conditions with signals may occur.' >&4 |
| 69 | val="$undef"; set d_sigvec; eval $setvar |
| 70 | fi |
| 71 | fi |
| 72 | |
| 73 | @end |
| 74 | @if d_sigintrp || HAS_SIGINTRP |
| 75 | : see if we have siginterrupt |
| 76 | set siginterrupt d_sigintrp |
| 77 | eval $inlibc |
| 78 | |
| 79 | @end |