ecore_signal.c: factoring out the platform test to improve readability.

Turns out there is no PRI?SIGATOMIC in the C99 standard. Work around
that by deducing the effective integer type by comparing the
SIG_ATOMIC_MAX with integers *MAX.

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

src/lib/ecore/ecore_signal.c

@@ -2,6 +2,8 @@
 # include <config.h>
 #endif
 
+#include <inttypes.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -78,6 +80,22 @@ static volatile siginfo_t sigterm_info[MAXSIGQ];
 static volatile siginfo_t sigpwr_info[MAXSIGQ];
 #endif
 
+#if defined(SIG_ATOMIC_MAX)
+# if SIG_ATOMIC_MAX == INT64_MAX
+/* Basically FreeBSD on 64bits */
+#  define PRIdSIGATOMIC PRId64
+# elif SIG_ATOMIC_MAX == UINT64_MAX
+#  define PRIdSIGATOMIC PRIu64
+# elif SIG_ATOMIC_MAX == UINT32_MAX
+#  define PRIdSIGATOMIC PRIu32
+# else
+/* everybody else seems to go for int */
+#  define PRIdSIGATOMIC PRId32
+# endif
+#else
+# define PRIdSIGATOMIC "d"
+#endif
+
 void
 _ecore_signal_shutdown(void)
 {
@@ -168,30 +186,22 @@ _ecore_signal_call(void)
 #endif
    sigprocmask(SIG_BLOCK, &newset, &oldset);
    if (sigchld_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGCHLD in queue. max queue size %i. losing "
-     WRN("%ld SIGCHLD in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigchld_count, MAXSIGQ);
-#else
-     WRN("%i SIGCHLD in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigchld_count, MAXSIGQ);
-#endif
    tot = sigchld_count + sigusr1_count + sigusr2_count +
      sighup_count + sigquit_count + sigint_count + sigterm_count
 #ifdef SIGPWR
      + sigpwr_count
 #endif
      ;
-   
+
    if (sig_count != tot)
      {
-#ifdef __FreeBSD__
+        ERR("sig_count (%"PRIdSIGATOMIC") != actual totals (%i) ",
-        ERR("sig_count (%ld) != actual totals (%i) ", sig_count, tot);
+            sig_count, tot);
-#else
-        ERR("sig_count (%i) != actual totals (%i) ", sig_count, tot);
-#endif
         sig_count = tot;
      }
-   
+
    for (n = 0; n < sigchld_count; n++)
      {
         pid_t pid;
@@ -267,13 +277,8 @@ _ecore_signal_call(void)
    sigchld_count = 0;
 
    if (sigusr1_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGUSR1 in queue. max queue size %i. losing "
-     WRN("%ld SIGUSR1 in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigusr1_count, MAXSIGQ);
-#else
-     WRN("%i SIGUSR1 in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigusr1_count, MAXSIGQ);
-#endif
    for (n = 0; n < sigusr1_count; n++)
      {
         Ecore_Event_Signal_User *e;
@@ -294,13 +299,8 @@ _ecore_signal_call(void)
    sigusr1_count = 0;
 
    if (sigusr2_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGUSR2 in queue. max queue size %i. losing "
-     WRN("%ld SIGUSR2 in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigusr2_count, MAXSIGQ);
-#else
-     WRN("%i SIGUSR2 in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigusr2_count, MAXSIGQ);
-#endif
    for (n = 0; n < sigusr2_count; n++)
      {
         Ecore_Event_Signal_User *e;
@@ -321,13 +321,8 @@ _ecore_signal_call(void)
    sigusr2_count = 0;
 
    if (sighup_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGHUP in queue. max queue size %i. losing "
-     WRN("%ld SIGHUP in queue. max queue size %i. losing "
          "siginfo for extra signals.", sighup_count, MAXSIGQ);
-#else
-     WRN("%i SIGHUP in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sighup_count, MAXSIGQ);
-#endif
    for (n = 0; n < sighup_count; n++)
      {
         Ecore_Event_Signal_Hup *e;
@@ -346,13 +341,8 @@ _ecore_signal_call(void)
    sighup_count = 0;
 
    if (sigquit_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGQUIT in queue. max queue size %i. losing "
-     WRN("%ld SIGQUIT in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigquit_count, MAXSIGQ);
-#else
-     WRN("%i SIGQUIT in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigquit_count, MAXSIGQ);
-#endif
    for (n = 0; n < sigquit_count; n++)
      {
         Ecore_Event_Signal_Exit *e;
@@ -373,13 +363,8 @@ _ecore_signal_call(void)
    sigquit_count = 0;
 
    if (sigint_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGINT in queue. max queue size %i. losing "
-     WRN("%ld SIGINT in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigint_count, MAXSIGQ);
-#else
-     WRN("%i SIGINT in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigint_count, MAXSIGQ);
-#endif
    for (n = 0; n < sigint_count; n++)
      {
         Ecore_Event_Signal_Exit *e;
@@ -400,13 +385,8 @@ _ecore_signal_call(void)
    sigint_count = 0;
 
    if (sigterm_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGTERM in queue. max queue size %i. losing "
-     WRN("%ld SIGTERM in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigterm_count, MAXSIGQ);
-#else
-     WRN("%i SIGTERM in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigterm_count, MAXSIGQ);
-#endif
    for (n = 0; n < sigterm_count; n++)
      {
         Ecore_Event_Signal_Exit *e;
@@ -428,13 +408,8 @@ _ecore_signal_call(void)
 
 #ifdef SIGPWR
    if (sigpwr_count > MAXSIGQ)
-#ifdef __FreeBSD__
+     WRN("%"PRIdSIGATOMIC" SIGPWR in queue. max queue size %i. losing "
-     WRN("%ld SIGPWR in queue. max queue size %i. losing "
          "siginfo for extra signals.", sigpwr_count, MAXSIGQ);
-#else
-     WRN("%i SIGPWR in queue. max queue size %i. losing "
-         "siginfo for extra signals.", sigpwr_count, MAXSIGQ);
-#endif
    for (n = 0; n < sigpwr_count; n++)
      {
         Ecore_Event_Signal_Power *e;