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meson: check for madvise()

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This commit is contained in:
Jason Francis 2021-04-17 19:28:36 -04:00
parent 6622ebb310
commit b27ec5ebde
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3 changed files with 8 additions and 2 deletions
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3
config.h.meson
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@ -76,6 +76,9 @@
/* Define to 1 if you have a working `mmap' system call. */
#mesondefine HAVE_MMAP
/* Define to 1 if you have a working `madvise' system call. */
#mesondefine HAVE_MADVISE
/* Define to 1 if you have the `posix_fallocate' function. */
#mesondefine HAVE_POSIX_FALLOCATE

2
gtk/gtksecurememory.c
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@ -943,7 +943,7 @@ sec_acquire_pages (size_t *sz,
DEBUG_ALLOC ("gtk-secure-memory: new block ", *sz);
#if defined(MADV_DONTDUMP)
#if defined(HAVE_MADVISE) && defined(MADV_DONTDUMP)
if (madvise (pages, *sz, MADV_DONTDUMP) < 0) {
if (show_warning && gtk_secure_warnings) {
/*

5
meson.build
View File

@ -220,10 +220,13 @@ if cc.compiles(uint128_t_src, name : '__uint128_t available')
cdata.set('HAVE_UINT128_T', 1)
endif
# Check for mlock
# Check for mlock and madvise
if cc.has_function('mlock', prefix: '#include <sys/mman.h>')
cdata.set('HAVE_MLOCK', 1)
endif
if cc.has_function('madvise', prefix: '#include <sys/mman.h>')
cdata.set('HAVE_MADVISE', 1)
endif
# Disable deprecation checks for all libraries we depend on on stable branches.
# This is so newer versions of those libraries don't cause more warnings with