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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /docs/nspr/reference/pr_recv.rst | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.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 '')
-rw-r--r-- | docs/nspr/reference/pr_recv.rst | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/docs/nspr/reference/pr_recv.rst b/docs/nspr/reference/pr_recv.rst new file mode 100644 index 0000000000..bfc1b7e5f9 --- /dev/null +++ b/docs/nspr/reference/pr_recv.rst @@ -0,0 +1,56 @@ +PR_Recv +======= + +Receives bytes from a connected socket. + + +Syntax +------ + +.. code:: + + #include <prio.h> + + PRInt32 PR_Recv( + PRFileDesc *fd, + void *buf, + PRInt32 amount, + PRIntn flags, + PRIntervalTime timeout); + + +Parameters +~~~~~~~~~~ + +The function has the following parameters: + +``fd`` + A pointer to a :ref:`PRFileDesc` object representing a socket. +``buf`` + A pointer to a buffer to hold the data received. +``amount`` + The size of ``buf`` (in bytes). +``flags`` + Must be zero or ``PR_MSG_PEEK``. +``timeout`` + A value of type :ref:`PRIntervalTime` specifying the time limit for + completion of the receive operation. + + +Returns +~~~~~~~ + +The function returns one of the following values: + +- A positive number indicates the number of bytes actually received. +- The value 0 means the network connection is closed. +- The value -1 indicates a failure. The reason for the failure can be + obtained by calling :ref:`PR_GetError`. + + +Description +----------- + +:ref:`PR_Recv` blocks until some positive number of bytes are transferred, +a timeout occurs, or an error occurs. No more than ``amount`` bytes will +be transferred. |