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Diffstat (limited to 'U/d_shmat.U')
-rw-r--r-- | U/d_shmat.U | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/U/d_shmat.U b/U/d_shmat.U new file mode 100644 index 0000000000..e3f8097a0d --- /dev/null +++ b/U/d_shmat.U @@ -0,0 +1,54 @@ +?RCS: $Id: d_shmat.U,v 3.0 1993/08/18 12:07:18 ram Exp $ +?RCS: +?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 3.0. +?RCS: +?RCS: $Log: d_shmat.U,v $ +?RCS: Revision 3.0 1993/08/18 12:07:18 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_shmat d_voidshmat: Inlibc cppstdin cppflags cppminus usrinc \ + contains +?MAKE: -pick add $@ %< +?S:d_shmat: +?S: This variable conditionally defines the HAS_SHMAT symbol, which +?S: indicates to the C program that the shmat() routine is available. +?S:. +?S:d_voidshmat: +?S: This symbol, if defined, indicates that the shmat() routine +?S: returns a pointer of type void*. Otherwise, char* is assumed. +?S:. +?C:HAS_SHMAT: +?C: This symbol, if defined, indicates that the shmat() routine is +?C: available to attach a shared memory segment to the process space. +?C:. +?H:#$d_shmat HAS_SHMAT /**/ +?H:. +?C:VOIDSHMAT: +?C: This symbol, if defined, indicates that the shmat() routine +?C: returns a pointer of type void*. Otherwise, char* is assumed. +?C:. +?H:#$d_voidshmat VOIDSHMAT /**/ +?H:. +?LINT:set d_shmat d_voidshmat +: see if shmat exists +set shmat d_shmat +eval $inlibc +: see what shmat returns +d_voidshmat="$undef" +case "$d_shmat" in +define) + $cppstdin $cppflags $cppminus < $usrinc/sys/shm.h >voidshmat.txt 2>/dev/null + if $contains "void.*shmat" voidshmat.txt >/dev/null 2>&1; then + echo "and shmat returns (void*)" + d_voidshmat="$define" + else + echo "and shmat returns (char*)" + fi + ;; +esac |