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[main] make it possible to manually specify the memory size

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This commit is contained in:
Geoffrey McRae 2018-05-15 20:07:48 +10:00
parent 4fd59ce8c9
commit d0756cf00c
1 changed files with 14 additions and 3 deletions
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17
client/main.c
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@ -88,6 +88,7 @@ struct AppParams
int x, y;
unsigned int w, h;
char * shmFile;
unsigned int shmSize;
bool showFPS;
bool useSpice;
char * spiceHost;
@ -116,6 +117,7 @@ struct AppParams params =
.w = 1024,
.h = 768,
.shmFile = "/dev/shm/looking-glass",
.shmSize = 0,
.showFPS = false,
.useSpice = true,
.spiceHost = "127.0.0.1",
@ -624,7 +626,7 @@ static void * map_memory()
return NULL;
}
state.shmSize = st.st_size;
state.shmSize = params.shmSize ? params.shmSize : st.st_size;
state.shmFD = open(params.shmFile, O_RDWR, (mode_t)0600);
if (state.shmFD < 0)
{
@ -632,7 +634,7 @@ static void * map_memory()
return NULL;
}
void * map = mmap(0, st.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, state.shmFD, 0);
void * map = mmap(0, state.shmSize, PROT_READ | PROT_WRITE, MAP_SHARED, state.shmFD, 0);
if (map == MAP_FAILED)
{
DEBUG_ERROR("Failed to map the shared memory file: %s", params.shmFile);
@ -1000,6 +1002,7 @@ void doHelp(char * app)
"\n"
" -C PATH Specify an additional configuration file to load\n"
" -f PATH Specify the path to the shared memory file [current: %s]\n"
" -L SIZE Specify the size in MB of the shared memory file (0 = detect) [current: %d]\n"
"\n"
" -s Disable spice client\n"
" -c HOST Specify the spice host [current: %s]\n"
@ -1028,6 +1031,7 @@ void doHelp(char * app)
app,
app,
params.shmFile,
params.shmSize,
params.spiceHost,
params.spicePort,
params.center ? "center" : x,
@ -1087,6 +1091,9 @@ static bool load_config(const char * configFile)
params.shmFile = strdup(stmp);
}
if (config_setting_lookup_int(global, "shmSize", &itmp))
params.shmSize = itmp * 1024 * 1024;
if (config_setting_lookup_string(global, "forceRenderer", &stmp))
{
bool ok = false;
@ -1234,7 +1241,7 @@ int main(int argc, char * argv[])
for(;;)
{
switch(getopt(argc, argv, "hC:f:sc:p:jMvkg:o:anrdFx:y:w:b:Ql"))
switch(getopt(argc, argv, "hC:fL:sc:p:jMvkg:o:anrdFx:y:w:b:Ql"))
{
case '?':
case 'h':
@ -1256,6 +1263,10 @@ int main(int argc, char * argv[])
params.shmFile = strdup(optarg);
continue;
case 'L':
params.shmSize = atoi(optarg) * 1024 * 1024;
continue;
case 's':
params.useSpice = false;
continue;