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Fixed race condition when disconnecting shared memory client elements.

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Thulinma 2014-12-15 18:16:08 +01:00
parent 69bfb3a0be
commit 7e5d7264ae
1 changed files with 2 additions and 0 deletions
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2
lib/shared_memory.cpp
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@ -718,6 +718,7 @@ namespace IPC {
empty = (char *)malloc(payLen * sizeof(char)); empty = (char *)malloc(payLen * sizeof(char));
memset(empty, 0, payLen); memset(empty, 0, payLen);
} }
semGuard tmpGuard(&mySemaphore);
unsigned int id = 0; unsigned int id = 0;
for (std::set<sharedPage>::iterator it = myPages.begin(); it != myPages.end(); it++) { for (std::set<sharedPage>::iterator it = myPages.begin(); it != myPages.end(); it++) {
if (!it->mapped || !it->len) { if (!it->mapped || !it->len) {
@ -915,6 +916,7 @@ namespace IPC {
return; return;
} }
if (myPage.mapped) { if (myPage.mapped) {
semGuard tmpGuard(&mySemaphore);
myPage.mapped[offsetOnPage] = 127; myPage.mapped[offsetOnPage] = 127;
} }
} }