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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /docs/nspr/reference/pr_atomicdecrement.rst | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/nspr/reference/pr_atomicdecrement.rst')
-rw-r--r-- | docs/nspr/reference/pr_atomicdecrement.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/docs/nspr/reference/pr_atomicdecrement.rst b/docs/nspr/reference/pr_atomicdecrement.rst new file mode 100644 index 0000000000..a27b8d8227 --- /dev/null +++ b/docs/nspr/reference/pr_atomicdecrement.rst @@ -0,0 +1,37 @@ +PR_AtomicDecrement +================== + +Atomically decrements a 32-bit value. + + +Syntax +------ + +.. code:: + + #include <pratom.h> + + PRInt32 PR_AtomicDecrement(PRInt32 *val); + + +Parameter +~~~~~~~~~ + +The function has the following parameter: + +``val`` + A pointer to the value to decrement. + + +Returns +~~~~~~~ + +The function returns the decremented value (i.e., the result). + + +Description +----------- + +:ref:`PR_AtomicDecrement` first decrements the referenced variable by one. +The value returned is the referenced variable's final value. The +modification to memory is unconditional. |