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| author | Bruce Momjian <bruce@momjian.us> | 2007-02-19 22:06:23 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2007-02-19 22:06:23 +0000 |
| commit | e3285f32e8262d1de69ddcd1d5a757a081be1eb4 (patch) | |
| tree | aa664eb78cf2e5697c28d2e15a05c1bc34f08a34 /doc/src | |
| parent | 4acc4aa871e39bec4ea234a98c60b939a994a9ae (diff) | |
| download | postgresql-e3285f32e8262d1de69ddcd1d5a757a081be1eb4.tar.gz postgresql-e3285f32e8262d1de69ddcd1d5a757a081be1eb4.zip | |
Update PQfree() documentation to be clearer, backpatch to 8.2.X.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/libpq.sgml | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml index 5b8ef438b36..a7be065ec67 100644 --- a/doc/src/sgml/libpq.sgml +++ b/doc/src/sgml/libpq.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.231 2007/02/16 16:37:29 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.232 2007/02/19 22:06:23 momjian Exp $ --> <chapter id="libpq"> <title><application>libpq</application> - C Library</title> @@ -2617,9 +2617,13 @@ void PQfreemem(void *ptr); <function>PQescapeBytea</function>, <function>PQunescapeBytea</function>, and <function>PQnotifies</function>. - It is needed by Microsoft Windows, which cannot free memory across - DLLs, unless multithreaded DLLs (<option>/MD</option> in VC6) are used. - On other platforms, this function is the same as the standard library function <function>free()</>. + It is particularly important that this function, rather than + <function>free()</>, be used on Microsoft Windows. This is because + allocating memory in a DLL and releasing it in the application works + only if multithreaded/single-threaded, release/debug, and static/dynamic + flags are the same for the DLL and the application. On non-Microsoft + Windows platforms, this function is the same as the standard library + function <function>free()</>. </para> </listitem> </varlistentry> |