From 84c2dcdd78dfec0adfa29e311104b74372f2a7dd Mon Sep 17 00:00:00 2001
From: zenon <kranklyboy1000@gmail.com>
Date: Thu, 7 Jun 2018 17:58:02 +0200
Subject: [PATCH] Modify error messages

---
 generator.c  | 6 +++---
 supervisor.c | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/generator.c b/generator.c
index 7df27f9..54fdb2d 100644
--- a/generator.c
+++ b/generator.c
@@ -323,13 +323,13 @@ int main(int argc, char *argv[])
 
 	shmfd = shm_open(SHM_NAME, O_RDWR | O_CREAT, PERMISSION);
 	if (shmfd == -1) {
-		perror(pname);
+		perror("[./generator] shm_open");
 		exit(EXIT_FAILURE);
 	}
 
 	shared = mmap(NULL, sizeof(*shared), PROT_READ | PROT_WRITE, MAP_SHARED, shmfd, 0);
 	if (shared == MAP_FAILED) {
-		perror(pname);
+		perror("[./generator] mmap");
 		exit(EXIT_FAILURE);
 	}
 
@@ -339,7 +339,7 @@ int main(int argc, char *argv[])
 	if (sFreeSpace == SEM_FAILED ||
 	    sUsedSpace == SEM_FAILED ||
 	    sWriteEnd == SEM_FAILED) {
-		perror(pname);
+		perror("[./generator] sem_open");
 		exit(EXIT_FAILURE);
 	}
 
diff --git a/supervisor.c b/supervisor.c
index 6b5c352..ff1ef1a 100644
--- a/supervisor.c
+++ b/supervisor.c
@@ -156,17 +156,17 @@ int main(int argc, char *argv[])
 
 	shmfd = shm_open(SHM_NAME, O_RDWR | O_CREAT, PERMISSION);
 	if (shmfd == -1) {
-		perror(pname);
+		perror("[./supervisor] shm_open");
 		exit(EXIT_FAILURE);
 	}
 	if (ftruncate(shmfd, sizeof(*shared)) == -1) {
-		perror(pname);
+		perror("[./supervisor] ftruncate");
 		exit(EXIT_FAILURE);
 	}
 
 	shared = mmap(NULL, sizeof(*shared), PROT_READ | PROT_WRITE, MAP_SHARED, shmfd, 0);
 	if (shared == MAP_FAILED) {
-		perror(pname);
+		perror("[./supervisor] mmap");
 		exit(EXIT_FAILURE);
 	}