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annotate tests/test-c-stack2.sh @ 10276:adfc5a204195

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Make c-stack use libsigsegv, when available. * modules/c-stack (Depends-on): Add libsigsegv. * modules/c-stack-tests (Makefile.am): Link with libsigsegv, if needed. * lib/c-stack.c (SIGSTKSZ): Define fallback. (segv_handler, overflow_handler, c_stack_action) [HAVE_LIBSIGSEGV && !HAVE_XSI_STACK_OVERFLOW_HEURISTIC]: Add new implementation when libsigsegv is available, but only when using the library is necessary. * m4/c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): Add comment, explaining why XSI check fails on Linux. (gl_PREREQ_C_STACK): Supply LIBCSTACK, LTLIBCSTACK. * tests/test-c-stack2.sh: Tweak skip message. * NEWS: Document new link-time requirements. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Thu, 17 Jul 2008 06:23:47 -0600
parents 4c08c1b6678e
children e99e36699b9a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/sh
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2
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3 tmpfiles=""
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4 trap 'rm -fr $tmpfiles' 1 2 3 15
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5
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6 tmpfiles="t-c-stack2.tmp"
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7
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8 # Sanitize exit status within a subshell, since some shells fail to
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9 # redirect stderr on their message about death due to signal.
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10 (./test-c-stack${EXEEXT} 1; exit $?) 2> t-c-stack2.tmp
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11
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12 case $? in
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13 77) if grep 'stack overflow' t-c-stack2.tmp >/dev/null ; then
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14 echo 'cannot tell stack overflow from crash; consider installing libsigsegv' >&2
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15 else
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16 cat t-c-stack2.tmp >&2
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17 fi
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18 (exit 77); exit 77 ;;
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19 0) (exit 1); exit 1 ;;
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20 esac
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21 if grep 'program error' t-c-stack2.tmp >/dev/null ; then
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22 :
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23 else
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24 (exit 1); exit 1
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25 fi
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26
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27 rm -fr $tmpfiles
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28
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29 exit 0