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-rw-r--r--src/dynamic.cpp24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/dynamic.cpp b/src/dynamic.cpp
index 1def9b582..e1471a40a 100644
--- a/src/dynamic.cpp
+++ b/src/dynamic.cpp
@@ -28,6 +28,9 @@ using namespace std;
#include "inspstring.h"
#include "helperfuncs.h"
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdio.h>
DLLManager::DLLManager(char *fname)
{
@@ -47,10 +50,27 @@ DLLManager::DLLManager(char *fname)
}
err = "Module is not statically compiled into the ircd";
#else
- // Try to open the library now and get any error message.
+ // Copy the library to a temp location, this makes recompiles
+ // a little safer if the ircd is running at the time as the
+ // shared libraries are mmap()ed and not doing this causes
+ // segfaults.
+ FILE* x = fopen(fname,"rb");
+ char tmpfile_template[255];
+ char buffer[65536];
+ snprintf(tmpfile_template, 255, "/tmp/inspircd_file.so.%d.XXXXXXXXXX",getpid());
+ int fd = mkstemp(tmpfile_template);
+ while (!feof(x))
+ {
+ int n = fread(buffer, 1, 65535, x);
+ if (n)
+ write(fd,buffer,n);
+ }
+
+ // Try to open the library now and get any error message.
- h = dlopen( fname, RTLD_NOW );
+ h = dlopen(tmpfile_template, RTLD_NOW );
err = (char*)dlerror();
+ close(fd);
#endif
}