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add the possibilty to set the isle number

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The environment variable "HERMIT_ISLE" is used to set the default isle.
Now, an application starts on isle 1 as follow:

HERMIT_ISLE=1 ./exec_name
This commit is contained in:
Stefan Lankes 2015-10-17 14:55:54 +02:00
parent 3d22f40e41
commit 95f0a2546b
1 changed files with 21 additions and 1 deletions
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22
hermit/tools/proxy.c
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@ -47,12 +47,30 @@
#define __HERMIT_read 4
#define __HERMIT_lseek 5
static char saddr[16] = "192.168.28.2";
static char saddr[16];
static int sobufsize = 131072;
static unsigned int isle_nr = 0;
extern char hermit_app[];
extern unsigned app_size;
int init_enviroment(void)
{
char* str;
str = getenv("HERMIT_ISLE");
if (str)
{
isle_nr = atoi(str);
if ((isle_nr < 0) || (isle_nr > 254))
isle_nr = 0;
}
snprintf(saddr, 15, "192.168.28.%u", isle_nr+2);
return 0;
}
/*
* in principle, HermitCore forwards basic system calls to
* this proxy, which mapped these call to Linux system calls.
@ -246,6 +264,8 @@ int main(int argc, char **argv)
int32_t magic = HERMIT_MAGIC;
struct sockaddr_in serv_name;
init_enviroment();
/* create a socket */
s = socket(PF_INET, SOCK_STREAM, 0);
if (s < 0)