Changes in uspace/lib/posix/unistd.c [ec18957a:823a929] in mainline

File:

• uspace/lib/posix/unistd.c (modified) (3 diffs)

uspace/lib/posix/unistd.c

@@ -38 +38 @@
 #include "internal/common.h"
 #include "unistd.h"
-
-#include "errno.h"
-#include "string.h"
-#include "fcntl.h"
-
-#include "libc/task.h"
-#include "libc/stats.h"
-#include "libc/malloc.h"
+#include <task.h>
 
 /* Array of environment variable strings (NAME=VALUE). */
-char **posix_environ = NULL;
+char **environ = NULL;
 
 /**
- * Get current user name.
+ * Dummy function. Always returns false, because there is no easy way to find
+ * out under HelenOS.
  *
- * @return User name (static) string or NULL if not found.
- */
-char *posix_getlogin(void)
-{
-        /* There is currently no support for user accounts in HelenOS. */
-        return (char *) "user";
-}
-
-/**
- * Get current user name.
- *
- * @param name Pointer to a user supplied buffer.
- * @param namesize Length of the buffer.
- * @return Zero on success, error code otherwise.
- */
-int posix_getlogin_r(char *name, size_t namesize)
-{
-        /* There is currently no support for user accounts in HelenOS. */
-        if (namesize >= 5) {
-                posix_strcpy(name, (char *) "user");
-                return 0;
-        } else {
-                errno = ERANGE;
-                return -1;
-        }
-}
-
-/**
- * Test whether open file descriptor is associated with a terminal.
- *
- * @param fd Open file descriptor to test.
- * @return Boolean result of the test.
+ * @param fd
+ * @return Always false.
  */
 int posix_isatty(int fd)
 {
-        /* Always returns false, because there is no easy way to find
-     * out under HelenOS. */
         return false;
 }
 
 /**
- * Determine the page size of the current run of the process.
- *
- * @return Page size of the process.
+ * 
+ * @return
  */
 int posix_getpagesize(void)
@@ -104 +65 @@
 
 /**
- * Get the process ID of the calling process.
- *
- * @return Process ID.
+ * 
+ * @return
  */
 posix_pid_t posix_getpid(void)
@@ -114 +74 @@
 
 /**
- * Get the real user ID of the calling process.
  *
- * @return User ID.
+ * @return
  */
 posix_uid_t posix_getuid(void)
 {
-        /* There is currently no support for user accounts in HelenOS. */
-        return 0;
+        // TODO
+        not_implemented();
 }
 
 /**
- * Get the real group ID of the calling process.
  * 
- * @return Group ID.
+ * @return
  */
 posix_gid_t posix_getgid(void)
 {
-        /* There is currently no support for user accounts in HelenOS. */
-        return 0;
+        // TODO
+        not_implemented();
 }
 
 /**
- * Determine accessibility of a file.
- *
- * @param path File to check accessibility for.
- * @param amode Either check for existence or intended access mode.
- * @return Zero on success, -1 otherwise.
+ * 
+ * @param path
+ * @param amode
+ * @return
  */
 int posix_access(const char *path, int amode)
 {
-        if (amode == F_OK) {
-                /* Check file existence by attempt to open it. */
-                int fd = open(path, O_RDONLY);
-                if (fd < 0) {
-                        /* FIXME: open() returns error code as negative retval. */
-                        errno = -fd;
-                        fd = -1;
-                } else {
-                        close(fd);
-                }
-                return fd;
-        } else if (amode & (X_OK | W_OK | R_OK)) {
-                /* HelenOS doesn't support permissions, return success. */
-                return 0;
-        } else {
-                /* Invalid amode argument. */
-                errno = EINVAL;
-                return -1;
-        }
+        // TODO
+        not_implemented();
 }
 
 /**
- * Get configurable system variables.
  * 
- * @param name Variable name.
- * @return Variable value.
+ * @param name
+ * @return
  */
 long posix_sysconf(int name)
 {
-        long clk_tck = 0;
-        size_t cpu_count = 0;
-        stats_cpu_t *cpu_stats = stats_get_cpus(&cpu_count);
-        if (cpu_stats && cpu_count > 0) {
-                clk_tck = ((long) cpu_stats[0].frequency_mhz) * 1000000L;
-        }
-        free(cpu_stats);
-        cpu_stats = 0;
-
-        long phys_pages = 0;
-        long avphys_pages = 0;
-        stats_physmem_t *mem_stats = stats_get_physmem();
-        if (mem_stats) {
-                phys_pages = (long) (mem_stats->total / getpagesize());
-                avphys_pages = (long) (mem_stats->free / getpagesize());
-        }
-        free(mem_stats);
-        mem_stats = 0;
-
-        switch (name) {
-        case _SC_PHYS_PAGES:
-                return phys_pages;
-        case _SC_AVPHYS_PAGES:
-                return avphys_pages;
-        case _SC_PAGESIZE:
-                return getpagesize();
-        case _SC_CLK_TCK:
-                return clk_tck;
-        default:
-                errno = EINVAL;
-                return -1;
-        }
+        // TODO
+        not_implemented();
 }